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1450400 = 25527237
BaseRepresentation
bin101100010000110100000
32201200120112
411202012200
5332403100
651030452
715220400
oct5420640
92650515
101450400
11900786
1259b428
133ba233
1429a800
151d9b35
hex1621a0

1450400 has 108 divisors (see below), whose sum is σ = 4230198. Its totient is φ = 483840.

The previous prime is 1450399. The next prime is 1450429. The reversal of 1450400 is 40541.

It can be written as a sum of positive squares in 3 ways, for example, as 1317904 + 132496 = 1148^2 + 364^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39182 + ... + 39218.

21450400 is an apocalyptic number.

1450400 is a gapful number since it is divisible by the number (10) 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 1450400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2115099).

1450400 is an abundant number, since it is smaller than the sum of its proper divisors (2779798).

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

1450400 is a wasteful number, since it uses less digits than its factorization.

1450400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1450400 is about 1204.3255373860. The cubic root of 1450400 is about 113.1955264665.

Adding to 1450400 its reverse (40541), we get a palindrome (1490941).

It can be divided in two parts, 14 and 50400, that multiplied together give a square (705600 = 8402).

The spelling of 1450400 in words is "one million, four hundred fifty thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 37 40 49 50 56 70 74 80 98 100 112 140 148 160 175 185 196 200 224 245 259 280 296 350 370 392 400 490 518 560 592 700 740 784 800 925 980 1036 1120 1184 1225 1295 1400 1480 1568 1813 1850 1960 2072 2450 2590 2800 2960 3626 3700 3920 4144 4900 5180 5600 5920 6475 7252 7400 7840 8288 9065 9800 10360 12950 14504 14800 18130 19600 20720 25900 29008 29600 36260 39200 41440 45325 51800 58016 72520 90650 103600 145040 181300 207200 290080 362600 725200 1450400