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72052332 = 223111928729
BaseRepresentation
bin1000100101101…
…10111001101100
312000120122012220
410102312321230
5121421133312
611052155340
71533302052
oct422667154
9160518186
1072052332
1137742a90
1220168b50
1311c09a21
1497d81d2
1564d3c8c
hex44b6e6c

72052332 has 48 divisors (see below), whose sum is σ = 193065600. Its totient is φ = 20684160.

The previous prime is 72052301. The next prime is 72052349. The reversal of 72052332 is 23325027.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11857 + ... + 16872.

It is an arithmetic number, because the mean of its divisors is an integer number (4022200).

Almost surely, 272052332 is an apocalyptic number.

It is an amenable number.

72052332 is an abundant number, since it is smaller than the sum of its proper divisors (121013268).

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

72052332 is a wasteful number, since it uses less digits than its factorization.

72052332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28766 (or 28764 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 72052332 is about 8488.3645067822. The cubic root of 72052332 is about 416.1175318179.

Adding to 72052332 its reverse (23325027), we get a palindrome (95377359).

The spelling of 72052332 in words is "seventy-two million, fifty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 418 627 836 1254 2508 28729 57458 86187 114916 172374 316019 344748 545851 632038 948057 1091702 1264076 1637553 1896114 2183404 3275106 3792228 6004361 6550212 12008722 18013083 24017444 36026166 72052332