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76145023 = 1726916651
BaseRepresentation
bin1001000100111…
…10000101111111
312022021120100001
410202132011333
5123443120043
611320015131
71613136103
oct442360577
9168246301
1076145023
1139a88979
12216014a7
1312a10836
14a181903
156a4174d
hex489e17f

76145023 has 8 divisors (see below), whose sum is σ = 80928720. Its totient is φ = 71395200.

The previous prime is 76144993. The next prime is 76145033. The reversal of 76145023 is 32054167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76145023 - 225 = 42590591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76144982 and 76145000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76145033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 12898.

It is an arithmetic number, because the mean of its divisors is an integer number (10116090).

Almost surely, 276145023 is an apocalyptic number.

76145023 is a deficient number, since it is larger than the sum of its proper divisors (4783697).

76145023 is a wasteful number, since it uses less digits than its factorization.

76145023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 76145023 is about 8726.1115624315. Note that the first 3 decimals coincide. The cubic root of 76145023 is about 423.8516134813.

The spelling of 76145023 in words is "seventy-six million, one hundred forty-five thousand, twenty-three".

Divisors: 1 17 269 4573 16651 283067 4479119 76145023