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80874432 = 2632140407
BaseRepresentation
bin1001101001000…
…00101111000000
312122011211212100
410310200233000
5131200440212
612005230400
72001264342
oct464405700
9178154770
1080874432
1141719181
1223102400
13139a83c2
14aa53292
157177bdc
hex4d20bc0

80874432 has 42 divisors (see below), whose sum is σ = 231813608. Its totient is φ = 26957952.

The previous prime is 80874419. The next prime is 80874461. The reversal of 80874432 is 23447808.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69628 + ... + 70779.

Almost surely, 280874432 is an apocalyptic number.

It is an amenable number.

80874432 is an abundant number, since it is smaller than the sum of its proper divisors (150939176).

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

80874432 is a wasteful number, since it uses less digits than its factorization.

80874432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140425 (or 140412 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 80874432 is about 8993.0212943148. The cubic root of 80874432 is about 432.4511747260.

The spelling of 80874432 in words is "eighty million, eight hundred seventy-four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 140407 280814 421221 561628 842442 1123256 1263663 1684884 2246512 2527326 3369768 4493024 5054652 6739536 8986048 10109304 13479072 20218608 26958144 40437216 80874432