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89376240 = 2435372401
BaseRepresentation
bin1010101001111…
…00010111110000
320020011210011010
411110330113300
5140340014430
612511350520
72133454062
oct524742760
9206153133
1089376240
11464a5768
1225b22440
1315694065
14bc27732
157ca6cb0
hex553c5f0

89376240 has 40 divisors (see below), whose sum is σ = 277067088. Its totient is φ = 23833600.

The previous prime is 89376233. The next prime is 89376241. The reversal of 89376240 is 4267398.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×893762402 = 15976224553075200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89376241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185961 + ... + 186440.

Almost surely, 289376240 is an apocalyptic number.

89376240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89376240 is an abundant number, since it is smaller than the sum of its proper divisors (187690848).

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

89376240 is a wasteful number, since it uses less digits than its factorization.

89376240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372417 (or 372411 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 89376240 is about 9453.9007822168. The cubic root of 89376240 is about 447.1027695380.

The spelling of 89376240 in words is "eighty-nine million, three hundred seventy-six thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 372401 744802 1117203 1489604 1862005 2234406 2979208 3724010 4468812 5586015 5958416 7448020 8937624 11172030 14896040 17875248 22344060 29792080 44688120 89376240