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76000520 = 2352298297
BaseRepresentation
bin1001000011110…
…10110100001000
312022000020010002
410201322310020
5123424004040
611312542132
71611664601
oct441726410
9168006102
1076000520
113999a352
1221551948
131298cb2b
14a144da8
156a13a15
hex487ad08

76000520 has 32 divisors (see below), whose sum is σ = 171768600. Its totient is φ = 30263808.

The previous prime is 76000501. The next prime is 76000549. The reversal of 76000520 is 2500067.

It can be written as a sum of positive squares in 4 ways, for example, as 74407876 + 1592644 = 8626^2 + 1262^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 76000492 and 76000501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5012 + ... + 13308.

Almost surely, 276000520 is an apocalyptic number.

It is an amenable number.

76000520 is an abundant number, since it is smaller than the sum of its proper divisors (95768080).

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

76000520 is a wasteful number, since it uses less digits than its factorization.

76000520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537 (or 8533 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 76000520 is about 8717.8277110757. The cubic root of 76000520 is about 423.5833244883.

Adding to 76000520 its reverse (2500067), we get a palindrome (78500587).

The spelling of 76000520 in words is "seventy-six million, five hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 40 229 458 916 1145 1832 2290 4580 8297 9160 16594 33188 41485 66376 82970 165940 331880 1900013 3800026 7600052 9500065 15200104 19000130 38000260 76000520