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8040404352 = 27320938553
BaseRepresentation
bin1110111110011111…
…01101010110000000
3202202100102212020210
413133033231112000
5112431320414402
63405501434120
7403151211051
oct73717552600
922670385223
108040404352
113456664882
12168486b940
139b1a1ba16
14563bc4728
15320d2c06c
hex1df3ed580

8040404352 has 32 divisors (see below), whose sum is σ = 21357325080. Its totient is φ = 2680134656.

The previous prime is 8040404299. The next prime is 8040404353. The reversal of 8040404352 is 2534040408.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040404353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10468893 + ... + 10469660.

Almost surely, 28040404352 is an apocalyptic number.

It is an amenable number.

8040404352 is an abundant number, since it is smaller than the sum of its proper divisors (13316920728).

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

8040404352 is a wasteful number, since it uses less digits than its factorization.

8040404352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20938570 (or 20938558 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 8040404352 is about 89668.3018240002. The cubic root of 8040404352 is about 2003.3613767416.

The spelling of 8040404352 in words is "eight billion, forty million, four hundred four thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 20938553 41877106 62815659 83754212 125631318 167508424 251262636 335016848 502525272 670033696 1005050544 1340067392 2010101088 2680134784 4020202176 8040404352