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72475496 = 239059437
BaseRepresentation
bin1000101000111…
…10001101101000
312001101010200122
410110132031220
5122023203441
611105222412
71540013552
oct424361550
9161333618
1072475496
1137a01a05
1220331a08
1312027512
1498a84d2
15656934b
hex451e368

72475496 has 8 divisors (see below), whose sum is σ = 135891570. Its totient is φ = 36237744.

The previous prime is 72475493. The next prime is 72475531. The reversal of 72475496 is 69457427.

It can be written as a sum of positive squares in only one way, i.e., 44702596 + 27772900 = 6686^2 + 5270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (72475493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4529711 + ... + 4529726.

Almost surely, 272475496 is an apocalyptic number.

It is an amenable number.

72475496 is a deficient number, since it is larger than the sum of its proper divisors (63416074).

72475496 is a wasteful number, since it uses less digits than its factorization.

72475496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059443 (or 9059439 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 72475496 is about 8513.2541369326. The cubic root of 72475496 is about 416.9305629235.

The spelling of 72475496 in words is "seventy-two million, four hundred seventy-five thousand, four hundred ninety-six".

Divisors: 1 2 4 8 9059437 18118874 36237748 72475496