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88400272 = 2417325001
BaseRepresentation
bin1010100010011…
…10000110010000
320011100012101011
411101032012100
5140112302042
612434420304
72122250512
oct521160620
9204305334
1088400272
1145999484
1225731694
1315411a6c
14ba51bb2
157b62a17
hex544e190

88400272 has 20 divisors (see below), whose sum is σ = 181351116. Its totient is φ = 41600000.

The previous prime is 88400267. The next prime is 88400287. The reversal of 88400272 is 27200488.

It can be written as a sum of positive squares in 2 ways, for example, as 76317696 + 12082576 = 8736^2 + 3476^2 .

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, 162229 + ... + 162772.

Almost surely, 288400272 is an apocalyptic number.

It is an amenable number.

88400272 is an abundant number, since it is smaller than the sum of its proper divisors (92950844).

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

88400272 is a wasteful number, since it uses less digits than its factorization.

88400272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325026 (or 325020 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 88400272 is about 9402.1418836348. The cubic root of 88400272 is about 445.4693898250.

The spelling of 88400272 in words is "eighty-eight million, four hundred thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 325001 650002 1300004 2600008 5200016 5525017 11050034 22100068 44200136 88400272