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76016731 = 71572632
BaseRepresentation
bin1001000011111…
…10110001011011
312022001001100111
410201332301123
5123430013411
611313145151
71612063060
oct441766133
9168031314
1076016731
1139a0054a
122155b1b7
131299731b
14a14ac67
156a18721
hex487ec5b

76016731 has 12 divisors (see below), whose sum is σ = 87763312. Its totient is φ = 64496016.

The previous prime is 76016711. The next prime is 76016749. The reversal of 76016731 is 13761067.

It is not a de Polignac number, because 76016731 - 211 = 76014683 is a prime.

It is a super-2 number, since 2×760167312 = 11557086783852722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 76016693 and 76016702.

It is not an unprimeable number, because it can be changed into a prime (76016711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288906 + ... + 289168.

Almost surely, 276016731 is an apocalyptic number.

76016731 is a deficient number, since it is larger than the sum of its proper divisors (11746581).

76016731 is an equidigital number, since it uses as much as digits as its factorization.

76016731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 76016731 is about 8718.7574229359. The cubic root of 76016731 is about 423.6134392871.

Adding to 76016731 its reverse (13761067), we get a palindrome (89777798).

The spelling of 76016731 in words is "seventy-six million, sixteen thousand, seven hundred thirty-one".

Divisors: 1 7 157 263 1099 1841 41291 69169 289037 484183 10859533 76016731