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72941620 = 22535910159
BaseRepresentation
bin1000101100100…
…00000000110100
312002020211002111
410112100000310
5122133112440
611123220404
71543664533
oct426200064
9162224074
1072941620
11381a0134
1220517704
131215b72b
14998a31a
15660c4ea
hex4590034

72941620 has 24 divisors (see below), whose sum is σ = 153619200. Its totient is φ = 29092512.

The previous prime is 72941599. The next prime is 72941639. The reversal of 72941620 is 2614927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101 + ... + 12259.

It is an arithmetic number, because the mean of its divisors is an integer number (6400800).

Almost surely, 272941620 is an apocalyptic number.

It is an amenable number.

72941620 is an abundant number, since it is smaller than the sum of its proper divisors (80677580).

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

72941620 is a wasteful number, since it uses less digits than its factorization.

72941620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527 (or 10525 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 72941620 is about 8540.5866309054. The cubic root of 72941620 is about 417.8224790478.

The spelling of 72941620 in words is "seventy-two million, nine hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 3590 7180 10159 20318 40636 50795 101590 203180 3647081 7294162 14588324 18235405 36470810 72941620