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72467952 = 2431509749
BaseRepresentation
bin1000101000111…
…00010111110000
312001100202100020
410110130113300
5122022433302
611105123440
71536652554
oct424342760
9161322306
1072467952
11379a7277
1220329580
1312023c5b
1498a5864
156566ebc
hex451c5f0

72467952 has 20 divisors (see below), whose sum is σ = 187209000. Its totient is φ = 24155968.

The previous prime is 72467921. The next prime is 72467953. The reversal of 72467952 is 25976427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72467953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754827 + ... + 754922.

It is an arithmetic number, because the mean of its divisors is an integer number (9360450).

Almost surely, 272467952 is an apocalyptic number.

It is an amenable number.

72467952 is an abundant number, since it is smaller than the sum of its proper divisors (114741048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72467952 is a wasteful number, since it uses less digits than its factorization.

72467952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509760 (or 1509754 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 72467952 is about 8512.8110515857. The cubic root of 72467952 is about 416.9160962717.

The spelling of 72467952 in words is "seventy-two million, four hundred sixty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1509749 3019498 4529247 6038996 9058494 12077992 18116988 24155984 36233976 72467952