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76319030 = 2567113909
BaseRepresentation
bin1001000110010…
…00100100110110
312022121102000202
410203020210312
5124014202110
611323440502
71614462314
oct443104466
9168542022
1076319030
113a097687
1221686132
1312a71ab8
14a1c90b4
156a780a5
hex48c8936

76319030 has 16 divisors (see below), whose sum is σ = 139425840. Its totient is φ = 30071712.

The previous prime is 76319003. The next prime is 76319051. The reversal of 76319030 is 3091367.

It is a super-3 number, since 3×763190303 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76318984 and 76319002.

It is a congruent number.

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, 56285 + ... + 57624.

It is an arithmetic number, because the mean of its divisors is an integer number (8714115).

Almost surely, 276319030 is an apocalyptic number.

76319030 is a deficient number, since it is larger than the sum of its proper divisors (63106810).

76319030 is a wasteful number, since it uses less digits than its factorization.

76319030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113983.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 76319030 is about 8736.0763503990. The cubic root of 76319030 is about 424.1742304897.

It can be divided in two parts, 7631 and 9030, that multiplied together give a triangular number (68907930 = T11739).

The spelling of 76319030 in words is "seventy-six million, three hundred nineteen thousand, thirty".

Divisors: 1 2 5 10 67 134 335 670 113909 227818 569545 1139090 7631903 15263806 38159515 76319030