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80113537 = 717673223
BaseRepresentation
bin1001100011001…
…10111110000001
312120202012010001
410301212332001
5131002113122
611541040001
71661645110
oct461467601
9176665101
1080113537
1141249539
12229b6001
131379cc7a
14a8d5c77
157077527
hex4c66f81

80113537 has 8 divisors (see below), whose sum is σ = 96944256. Its totient is φ = 64629312.

The previous prime is 80113511. The next prime is 80113541. The reversal of 80113537 is 73531108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80113537 - 215 = 80080769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80113567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336493 + ... + 336730.

It is an arithmetic number, because the mean of its divisors is an integer number (12118032).

Almost surely, 280113537 is an apocalyptic number.

It is an amenable number.

80113537 is a deficient number, since it is larger than the sum of its proper divisors (16830719).

80113537 is a wasteful number, since it uses less digits than its factorization.

80113537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673247.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 80113537 is about 8950.6165709408. The cubic root of 80113537 is about 431.0906816944.

The spelling of 80113537 in words is "eighty million, one hundred thirteen thousand, five hundred thirty-seven".

Divisors: 1 7 17 119 673223 4712561 11444791 80113537