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72483720 = 2335604031
BaseRepresentation
bin1000101001000…
…00001110001000
312001101112222020
410110200032020
5122023434340
611105324440
71540046541
oct424401610
9161345866
1072483720
1137a08101
1220336720
131202b19a
1498ab4c8
15656b9d0
hex4520388

72483720 has 32 divisors (see below), whose sum is σ = 217451520. Its totient is φ = 19328960.

The previous prime is 72483679. The next prime is 72483743. The reversal of 72483720 is 2738427.

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, 301896 + ... + 302135.

It is an arithmetic number, because the mean of its divisors is an integer number (6795360).

Almost surely, 272483720 is an apocalyptic number.

It is an amenable number.

72483720 is an abundant number, since it is smaller than the sum of its proper divisors (144967800).

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

72483720 is a wasteful number, since it uses less digits than its factorization.

72483720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604045 (or 604041 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 72483720 is about 8513.7371347722. The cubic root of 72483720 is about 416.9463324247.

The spelling of 72483720 in words is "seventy-two million, four hundred eighty-three thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 604031 1208062 1812093 2416124 3020155 3624186 4832248 6040310 7248372 9060465 12080620 14496744 18120930 24161240 36241860 72483720