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76230361 = 87312
BaseRepresentation
bin1001000101100…
…10111011011001
312022102220101201
410202302323121
5124003332421
611321514201
71613642644
oct442627331
9168386351
1076230361
113a036aa9
1221642961
1312a4062c
14a1a4a5b
156a5bb91
hex48b2ed9

76230361 has 3 divisors (see below), whose sum is σ = 76239093. Its totient is φ = 76221630.

The previous prime is 76230359. The next prime is 76230367. The reversal of 76230361 is 16303267.

The square root of 76230361 is 8731.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16303267 = 35945413.

It is not a de Polignac number, because 76230361 - 21 = 76230359 is a prime.

It is a super-2 number, since 2×762303612 = 11622135876380642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76230367) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4366 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (25413031).

Almost surely, 276230361 is an apocalyptic number.

76230361 is the 8731-st square number.

76230361 is the 4366-th centered octagonal number.

It is an amenable number.

76230361 is a deficient number, since it is larger than the sum of its proper divisors (8732).

76230361 is an frugal number, since it uses more digits than its factorization.

76230361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462 (or 8731 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The cubic root of 76230361 is about 424.0098954170.

The spelling of 76230361 in words is "seventy-six million, two hundred thirty thousand, three hundred sixty-one".

Divisors: 1 8731 76230361