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72214954 = 275158211
BaseRepresentation
bin1000100110111…
…10100110101010
312000212220021221
410103132212222
5121441334304
611055452254
71534550140
oct423364652
9160786257
1072214954
1137844189
122022708a
1311c65a56
14983b590
156517054
hex44de9aa

72214954 has 8 divisors (see below), whose sum is σ = 123797088. Its totient is φ = 30949260.

The previous prime is 72214951. The next prime is 72214969. The reversal of 72214954 is 45941227.

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

It is not an unprimeable number, because it can be changed into a prime (72214951) 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, 2579092 + ... + 2579119.

It is an arithmetic number, because the mean of its divisors is an integer number (15474636).

Almost surely, 272214954 is an apocalyptic number.

72214954 is a deficient number, since it is larger than the sum of its proper divisors (51582134).

72214954 is a wasteful number, since it uses less digits than its factorization.

72214954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158220.

The product of its digits is 20160, while the sum is 34.

The square root of 72214954 is about 8497.9382205333. The cubic root of 72214954 is about 416.4303554599.

The spelling of 72214954 in words is "seventy-two million, two hundred fourteen thousand, nine hundred fifty-four".

Divisors: 1 2 7 14 5158211 10316422 36107477 72214954