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72433248 = 253754513
BaseRepresentation
bin1000101000100…
…11111001100000
312001021222201220
410110103321200
5122020330443
611104255040
71536446436
oct424237140
9161258656
1072433248
1137983198
1220311480
1312011214
149896d56
15655ba83
hex4513e60

72433248 has 24 divisors (see below), whose sum is σ = 190137528. Its totient is φ = 24144384.

The previous prime is 72433237. The next prime is 72433289. The reversal of 72433248 is 84233427.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 377161 + ... + 377352.

It is an arithmetic number, because the mean of its divisors is an integer number (7922397).

Almost surely, 272433248 is an apocalyptic number.

It is an amenable number.

72433248 is an abundant number, since it is smaller than the sum of its proper divisors (117704280).

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

72433248 is a wasteful number, since it uses less digits than its factorization.

72433248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754526 (or 754518 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 72433248 is about 8510.7724678786. The cubic root of 72433248 is about 416.8495336692.

The spelling of 72433248 in words is "seventy-two million, four hundred thirty-three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 754513 1509026 2263539 3018052 4527078 6036104 9054156 12072208 18108312 24144416 36216624 72433248