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80903936 = 28316031
BaseRepresentation
bin1001101001001…
…11111100000000
312122020100100002
410310213330000
5131202411221
612010015132
72001446351
oct464477400
9178210302
1080903936
1141739363
12231174a8
13139b8969
14aa5dd28
15718180b
hex4d27f00

80903936 has 18 divisors (see below), whose sum is σ = 161492352. Its totient is φ = 40451840.

The previous prime is 80903899. The next prime is 80903951. The reversal of 80903936 is 63930908.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80903936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157760 + ... + 158271.

Almost surely, 280903936 is an apocalyptic number.

It is an amenable number.

80903936 is a deficient number, since it is larger than the sum of its proper divisors (80588416).

80903936 is an equidigital number, since it uses as much as digits as its factorization.

80903936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316047 (or 316033 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 80903936 is about 8994.6615278175. The cubic root of 80903936 is about 432.5037561904.

The spelling of 80903936 in words is "eighty million, nine hundred three thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 128 256 316031 632062 1264124 2528248 5056496 10112992 20225984 40451968 80903936