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72468145 = 541934591
BaseRepresentation
bin1000101000111…
…00011010110001
312001100202121101
410110130122301
5122022440040
611105124401
71536653251
oct424343261
9161322541
1072468145
11379a7432
1220329701
1312024079
1498a5961
15656709a
hex451c6b1

72468145 has 8 divisors (see below), whose sum is σ = 87171840. Its totient is φ = 57834480.

The previous prime is 72468139. The next prime is 72468167. The reversal of 72468145 is 54186427.

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

It is not a de Polignac number, because 72468145 - 25 = 72468113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15201 + ... + 19390.

It is an arithmetic number, because the mean of its divisors is an integer number (10896480).

Almost surely, 272468145 is an apocalyptic number.

It is an amenable number.

72468145 is a deficient number, since it is larger than the sum of its proper divisors (14703695).

72468145 is a wasteful number, since it uses less digits than its factorization.

72468145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35015.

The product of its digits is 53760, while the sum is 37.

The square root of 72468145 is about 8512.8223874341. The cubic root of 72468145 is about 416.9164663881.

The spelling of 72468145 in words is "seventy-two million, four hundred sixty-eight thousand, one hundred forty-five".

Divisors: 1 5 419 2095 34591 172955 14493629 72468145