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76223901 = 3132150343
BaseRepresentation
bin1001000101100…
…01010110011101
312022102120112110
410202301112131
5124003131101
611321424233
71613615055
oct442612635
9168376473
1076223901
113a032166
122163b079
1312a3a700
14a1a2565
156a59cd6
hex48b159d

76223901 has 12 divisors (see below), whose sum is σ = 110051808. Its totient is φ = 46906704.

The previous prime is 76223893. The next prime is 76223921. The reversal of 76223901 is 10932267.

It is not a de Polignac number, because 76223901 - 23 = 76223893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76223921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74665 + ... + 75678.

It is an arithmetic number, because the mean of its divisors is an integer number (9170984).

Almost surely, 276223901 is an apocalyptic number.

It is an amenable number.

76223901 is a deficient number, since it is larger than the sum of its proper divisors (33827907).

76223901 is a wasteful number, since it uses less digits than its factorization.

76223901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150372 (or 150359 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 76223901 is about 8730.6300459932. The cubic root of 76223901 is about 423.9979177689.

The spelling of 76223901 in words is "seventy-six million, two hundred twenty-three thousand, nine hundred one".

Divisors: 1 3 13 39 169 507 150343 451029 1954459 5863377 25407967 76223901