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72463105 = 51113101347
BaseRepresentation
bin1000101000110…
…11001100000001
312001100111200201
410110123030001
5122022304410
611105045201
71536632461
oct424331401
9161314621
1072463105
11379a3670
1220326801
13120219a0
1498a3ba1
15656583a
hex451b301

72463105 has 16 divisors (see below), whose sum is σ = 102158784. Its totient is φ = 48646080.

The previous prime is 72463103. The next prime is 72463109. The reversal of 72463105 is 50136427.

It is not a de Polignac number, because 72463105 - 21 = 72463103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72463103) 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, 49959 + ... + 51388.

It is an arithmetic number, because the mean of its divisors is an integer number (6384924).

Almost surely, 272463105 is an apocalyptic number.

It is an amenable number.

72463105 is a deficient number, since it is larger than the sum of its proper divisors (29695679).

72463105 is a wasteful number, since it uses less digits than its factorization.

72463105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101376.

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

The square root of 72463105 is about 8512.5263582558. The cubic root of 72463105 is about 416.9068009564.

The spelling of 72463105 in words is "seventy-two million, four hundred sixty-three thousand, one hundred five".

Divisors: 1 5 11 13 55 65 143 715 101347 506735 1114817 1317511 5574085 6587555 14492621 72463105