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88016240 = 2451384631
BaseRepresentation
bin1010011111100…
…00010101110000
320010121200120202
411033300111300
5140013004430
612422254332
72116061054
oct517602560
9203550522
1088016240
11457569a4
12255873a8
1315309020
14b991c64
157ad8d45
hex53f0570

88016240 has 40 divisors (see below), whose sum is σ = 220381728. Its totient is φ = 32497920.

The previous prime is 88016233. The next prime is 88016267. The reversal of 88016240 is 4261088.

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

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, 41276 + ... + 43355.

Almost surely, 288016240 is an apocalyptic number.

88016240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88016240 is an abundant number, since it is smaller than the sum of its proper divisors (132365488).

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

88016240 is a wasteful number, since it uses less digits than its factorization.

88016240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84657 (or 84651 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 88016240 is about 9381.6970746235. The cubic root of 88016240 is about 444.8233781253.

The spelling of 88016240 in words is "eighty-eight million, sixteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 84631 169262 338524 423155 677048 846310 1100203 1354096 1692620 2200406 3385240 4400812 5501015 6770480 8801624 11002030 17603248 22004060 44008120 88016240