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80507037 = 3132158791
BaseRepresentation
bin1001100110001…
…11000010011101
312121111011220010
410303013002131
5131102211122
611553313433
71665204252
oct463070235
9177434803
1080507037
1141498146
1222b65879
13138aa100
14a999429
157103e0c
hex4cc709d

80507037 has 12 divisors (see below), whose sum is σ = 116235744. Its totient is φ = 49542480.

The previous prime is 80507033. The next prime is 80507041. The reversal of 80507037 is 73070508.

It is an interprime number because it is at equal distance from previous prime (80507033) and next prime (80507041).

It is not a de Polignac number, because 80507037 - 22 = 80507033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80506995 and 80507013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80507033) 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 11 ways as a sum of consecutive naturals, for example, 78889 + ... + 79902.

It is an arithmetic number, because the mean of its divisors is an integer number (9686312).

Almost surely, 280507037 is an apocalyptic number.

It is an amenable number.

80507037 is a deficient number, since it is larger than the sum of its proper divisors (35728707).

80507037 is a wasteful number, since it uses less digits than its factorization.

80507037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158820 (or 158807 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 80507037 is about 8972.5713705715. The cubic root of 80507037 is about 431.7953366536.

Subtracting from 80507037 its reverse (73070508), we obtain a square (7436529 = 27272).

The spelling of 80507037 in words is "eighty million, five hundred seven thousand, thirty-seven".

Divisors: 1 3 13 39 169 507 158791 476373 2064283 6192849 26835679 80507037