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72950565 = 354863371
BaseRepresentation
bin1000101100100…
…10001100100101
312002021021100210
410112102030211
5122133404230
611123330033
71544032602
oct426221445
9162237323
1072950565
11381a6926
1220520919
131216281c
14998d6a9
15660eeb0
hex4592325

72950565 has 8 divisors (see below), whose sum is σ = 116720928. Its totient is φ = 38906960.

The previous prime is 72950561. The next prime is 72950611. The reversal of 72950565 is 56505927.

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

It is not a de Polignac number, because 72950565 - 22 = 72950561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72950561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2431671 + ... + 2431700.

It is an arithmetic number, because the mean of its divisors is an integer number (14590116).

Almost surely, 272950565 is an apocalyptic number.

It is an amenable number.

72950565 is a deficient number, since it is larger than the sum of its proper divisors (43770363).

72950565 is a wasteful number, since it uses less digits than its factorization.

72950565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863379.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 72950565 is about 8541.1102908229. The cubic root of 72950565 is about 417.8395578628.

The spelling of 72950565 in words is "seventy-two million, nine hundred fifty thousand, five hundred sixty-five".

Divisors: 1 3 5 15 4863371 14590113 24316855 72950565