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72483903 = 341752639
BaseRepresentation
bin1000101001000…
…00010000111111
312001101120020000
410110200100333
5122023441103
611105325343
71540050222
oct424402077
9161346200
1072483903
1137a08258
1220336853
131202b2ab
1498ab5b9
15656baa3
hex452043f

72483903 has 20 divisors (see below), whose sum is σ = 114649920. Its totient is φ = 45479232.

The previous prime is 72483893. The next prime is 72483907. The reversal of 72483903 is 30938427.

It is not a de Polignac number, because 72483903 - 26 = 72483839 is a prime.

It is a super-2 number, since 2×724839032 = 10507832388226818, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72483907) 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 19 ways as a sum of consecutive naturals, for example, 24943 + ... + 27696.

It is an arithmetic number, because the mean of its divisors is an integer number (5732496).

Almost surely, 272483903 is an apocalyptic number.

72483903 is a deficient number, since it is larger than the sum of its proper divisors (42166017).

72483903 is a wasteful number, since it uses less digits than its factorization.

72483903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52668 (or 52659 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 72483903 is about 8513.7478821022. The cubic root of 72483903 is about 416.9466833132.

The spelling of 72483903 in words is "seventy-two million, four hundred eighty-three thousand, nine hundred three".

Divisors: 1 3 9 17 27 51 81 153 459 1377 52639 157917 473751 894863 1421253 2684589 4263759 8053767 24161301 72483903