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72225016 = 2313168917
BaseRepresentation
bin1000100111000…
…01000011111000
312000220102002121
410103201003320
5121442200031
611100011024
71534621363
oct423410370
9160812077
1072225016
11378507a6
1220230a74
1311c6a4c6
1498410da
15651a011
hex44e10f8

72225016 has 16 divisors (see below), whose sum is σ = 136457640. Its totient is φ = 35836320.

The previous prime is 72224989. The next prime is 72225029. The reversal of 72225016 is 61052227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33411 + ... + 35506.

Almost surely, 272225016 is an apocalyptic number.

It is an amenable number.

72225016 is a deficient number, since it is larger than the sum of its proper divisors (64232624).

72225016 is a wasteful number, since it uses less digits than its factorization.

72225016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69054 (or 69050 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 72225016 is about 8498.5302258685. The cubic root of 72225016 is about 416.4496955339.

The spelling of 72225016 in words is "seventy-two million, two hundred twenty-five thousand, sixteen".

Divisors: 1 2 4 8 131 262 524 1048 68917 137834 275668 551336 9028127 18056254 36112508 72225016