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72058900 = 22522712659
BaseRepresentation
bin1000100101110…
…00100000010100
312000120222020011
410102320200110
5121421341100
611052250004
71533330154
oct422704024
9160528204
1072058900
1137747a11
1220170904
1311c0ca04
1497da764
1564d5bba
hex44b8814

72058900 has 36 divisors (see below), whose sum is σ = 157003840. Its totient is φ = 28706400.

The previous prime is 72058897. The next prime is 72058901. The reversal of 72058900 is 985027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72058901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25771 + ... + 28429.

Almost surely, 272058900 is an apocalyptic number.

It is an amenable number.

72058900 is an abundant number, since it is smaller than the sum of its proper divisors (84944940).

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

72058900 is a wasteful number, since it uses less digits than its factorization.

72058900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 72058900 is about 8488.7513805035. The cubic root of 72058900 is about 416.1301752991.

The spelling of 72058900 in words is "seventy-two million, fifty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 271 542 1084 1355 2659 2710 5318 5420 6775 10636 13295 13550 26590 27100 53180 66475 132950 265900 720589 1441178 2882356 3602945 7205890 14411780 18014725 36029450 72058900