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76340081 = 17191271861
BaseRepresentation
bin1001000110011…
…01101101110001
312022122110220102
410203031231301
5124020340311
611324122145
71614610556
oct443155561
9168573812
1076340081
113a101484
1221696355
1312a7b55c
14a1d2a2d
156a7e43b
hex48cdb71

76340081 has 16 divisors (see below), whose sum is σ = 85800960. Its totient is φ = 67495680.

The previous prime is 76340071. The next prime is 76340101. The reversal of 76340081 is 18004367.

It is a cyclic number.

It is not a de Polignac number, because 76340081 - 210 = 76339057 is a prime.

It is a super-2 number, since 2×763400812 = 11655615934173122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76340021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40091 + ... + 41951.

It is an arithmetic number, because the mean of its divisors is an integer number (5362560).

Almost surely, 276340081 is an apocalyptic number.

It is an amenable number.

76340081 is a deficient number, since it is larger than the sum of its proper divisors (9460879).

76340081 is a wasteful number, since it uses less digits than its factorization.

76340081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 76340081 is about 8737.2810988316. The cubic root of 76340081 is about 424.2132267526.

The spelling of 76340081 in words is "seventy-six million, three hundred forty thousand, eighty-one".

Divisors: 1 17 19 127 323 1861 2159 2413 31637 35359 41021 236347 601103 4017899 4490593 76340081