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404074368 = 27321918461
BaseRepresentation
bin11000000101011…
…010111110000000
31001011100002211100
4120011122332000
51311420334433
6104032414400
713004401245
oct3005327600
91034302740
10404074368
111980a9065
12b33a7400
1365939c79
143b9455cc
152571ab13
hex1815af80

404074368 has 96 divisors (see below), whose sum is σ = 1224030600. Its totient is φ = 127595520.

The previous prime is 404074361. The next prime is 404074379. The reversal of 404074368 is 863470404.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404074361) 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, 12658 + ... + 31118.

Almost surely, 2404074368 is an apocalyptic number.

404074368 is a gapful number since it is divisible by the number (48) 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 404074368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612015300).

404074368 is an abundant number, since it is smaller than the sum of its proper divisors (819956232).

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

404074368 is a wasteful number, since it uses less digits than its factorization.

404074368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18500 (or 18485 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 404074368 is about 20101.6011302583. The cubic root of 404074368 is about 739.2995368296.

The spelling of 404074368 in words is "four hundred four million, seventy-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 288 304 342 384 456 576 608 684 912 1152 1216 1368 1824 2432 2736 3648 5472 7296 10944 18461 21888 36922 55383 73844 110766 147688 166149 221532 295376 332298 350759 443064 590752 664596 701518 886128 1052277 1181504 1329192 1403036 1772256 2104554 2363008 2658384 2806072 3156831 3544512 4209108 5316768 5612144 6313662 7089024 8418216 10633536 11224288 12627324 16836432 21267072 22448576 25254648 33672864 44897152 50509296 67345728 101018592 134691456 202037184 404074368