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80964136 = 23111914817
BaseRepresentation
bin1001101001101…
…10101000101000
312122100101220201
410310312220220
5131211323021
612011201544
72002120021
oct464665050
9178311821
1080964136
114177a610
12231462b4
1313a0a196
14aa77c48
157194591
hex4d36a28

80964136 has 32 divisors (see below), whose sum is σ = 166510080. Its totient is φ = 36601600.

The previous prime is 80964133. The next prime is 80964139. The reversal of 80964136 is 63146908.

It is an interprime number because it is at equal distance from previous prime (80964133) and next prime (80964139).

It is a junction number, because it is equal to n+sod(n) for n = 80964095 and 80964104.

It is not an unprimeable number, because it can be changed into a prime (80964133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14400 + ... + 19216.

It is an arithmetic number, because the mean of its divisors is an integer number (5203440).

Almost surely, 280964136 is an apocalyptic number.

It is an amenable number.

80964136 is an abundant number, since it is smaller than the sum of its proper divisors (85545944).

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

80964136 is a wasteful number, since it uses less digits than its factorization.

80964136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 80964136 is about 8998.0073349603. The cubic root of 80964136 is about 432.6110038398.

The spelling of 80964136 in words is "eighty million, nine hundred sixty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 11 22 44 88 191 382 764 1528 2101 4202 4817 8404 9634 16808 19268 38536 52987 105974 211948 423896 920047 1840094 3680188 7360376 10120517 20241034 40482068 80964136