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464742400 = 2115229313
BaseRepresentation
bin11011101100110…
…110100000000000
31012101111100201111
4123230312200000
51422433224100
6114041013104
714342150053
oct3354664000
91171440644
10464742400
11219375931
1210b784194
137538c005
1445a18a9a
152ac016ba
hex1bb36800

464742400 has 144 divisors (see below), whose sum is σ = 1195821900. Its totient is φ = 178913280.

The previous prime is 464742361. The next prime is 464742401. The reversal of 464742400 is 4247464.

It can be written as a sum of positive squares in 6 ways, for example, as 41370624 + 423371776 = 6432^2 + 20576^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464742401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1484644 + ... + 1484956.

Almost surely, 2464742400 is an apocalyptic number.

464742400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464742400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597910950).

464742400 is an abundant number, since it is smaller than the sum of its proper divisors (731079500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

464742400 is a wasteful number, since it uses less digits than its factorization.

464742400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 464742400 is about 21557.8848684188. The cubic root of 464742400 is about 774.5880016196.

Adding to 464742400 its reverse (4247464), we get a palindrome (468989864).

It can be divided in two parts, 464 and 742400, that multiplied together give a square (344473600 = 185602).

The spelling of 464742400 in words is "four hundred sixty-four million, seven hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 128 145 160 200 232 256 290 313 320 400 464 512 580 626 640 725 800 928 1024 1160 1252 1280 1450 1565 1600 1856 2048 2320 2504 2560 2900 3130 3200 3712 4640 5008 5120 5800 6260 6400 7424 7825 9077 9280 10016 10240 11600 12520 12800 14848 15650 18154 18560 20032 23200 25040 25600 29696 31300 36308 37120 40064 45385 46400 50080 51200 59392 62600 72616 74240 80128 90770 92800 100160 125200 145232 148480 160256 181540 185600 200320 226925 250400 290464 296960 320512 363080 371200 400640 453850 500800 580928 641024 726160 742400 801280 907700 1001600 1161856 1452320 1484800 1602560 1815400 2003200 2323712 2904640 3205120 3630800 4006400 4647424 5809280 7261600 8012800 9294848 11618560 14523200 16025600 18589696 23237120 29046400 46474240 58092800 92948480 116185600 232371200 464742400