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88289272 = 2323479833
BaseRepresentation
bin1010100001100…
…10111111111000
320011010120010001
411100302333320
5140100224042
612432202344
72121306061
oct520627770
9204116101
1088289272
1145923045
12256993b4
13153a3396
14ba23568
157b3ebb7
hex5432ff8

88289272 has 16 divisors (see below), whose sum is σ = 172740240. Its totient is φ = 42225216.

The previous prime is 88289263. The next prime is 88289287. The reversal of 88289272 is 27298288.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239733 + ... + 240100.

It is an arithmetic number, because the mean of its divisors is an integer number (10796265).

Almost surely, 288289272 is an apocalyptic number.

88289272 is the 5023-rd centered heptagonal number.

It is an amenable number.

88289272 is a deficient number, since it is larger than the sum of its proper divisors (84450968).

88289272 is a wasteful number, since it uses less digits than its factorization.

88289272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479862 (or 479858 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

The square root of 88289272 is about 9396.2371191877. The cubic root of 88289272 is about 445.2828601846.

The spelling of 88289272 in words is "eighty-eight million, two hundred eighty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 23 46 92 184 479833 959666 1919332 3838664 11036159 22072318 44144636 88289272