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88390872 = 2333409217
BaseRepresentation
bin1010100010010…
…11110011011000
320011022201111000
411101023303120
5140112001442
612434305000
72122211223
oct521136330
9204281430
1088390872
1145992409
1225728160
131540a6bb
14ba4c5ba
157b5ed4c
hex544bcd8

88390872 has 32 divisors (see below), whose sum is σ = 245530800. Its totient is φ = 29463552.

The previous prime is 88390853. The next prime is 88390901. The reversal of 88390872 is 27809388.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204393 + ... + 204824.

Almost surely, 288390872 is an apocalyptic number.

It is an amenable number.

88390872 is an abundant number, since it is smaller than the sum of its proper divisors (157139928).

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

88390872 is a wasteful number, since it uses less digits than its factorization.

88390872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409232 (or 409222 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 88390872 is about 9401.6419842493. The cubic root of 88390872 is about 445.4535996749.

The spelling of 88390872 in words is "eighty-eight million, three hundred ninety thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 409217 818434 1227651 1636868 2455302 3273736 3682953 4910604 7365906 9821208 11048859 14731812 22097718 29463624 44195436 88390872