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88020992 = 21142979
BaseRepresentation
bin1010011111100…
…01100000000000
320010121221002202
411033301200000
5140013132432
612422332332
72116110653
oct517614000
9203557082
1088020992
114575a524
122558a0a8
131530b237
14b99389a
157ada462
hex53f1800

88020992 has 24 divisors (see below), whose sum is σ = 176003100. Its totient is φ = 44009472.

The previous prime is 88020983. The next prime is 88021027. The reversal of 88020992 is 29902088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19442 + ... + 23537.

Almost surely, 288020992 is an apocalyptic number.

It is an amenable number.

88020992 is a deficient number, since it is larger than the sum of its proper divisors (87982108).

88020992 is an equidigital number, since it uses as much as digits as its factorization.

88020992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43001 (or 42981 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 88020992 is about 9381.9503302885. The cubic root of 88020992 is about 444.8313833247.

The spelling of 88020992 in words is "eighty-eight million, twenty thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 42979 85958 171916 343832 687664 1375328 2750656 5501312 11002624 22005248 44010496 88020992