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87738368 = 21142841
BaseRepresentation
bin1010011101011…
…00100000000000
320010002120102012
411032230200000
5134430111433
612412312052
72113522664
oct516544000
9203076365
1087738368
1145587153
1225472628
131523c6c3
14b91c8a4
157a81848
hex53ac800

87738368 has 24 divisors (see below), whose sum is σ = 175437990. Its totient is φ = 43868160.

The previous prime is 87738347. The next prime is 87738403. The reversal of 87738368 is 86383778.

It can be written as a sum of positive squares in only one way, i.e., 58491904 + 29246464 = 7648^2 + 5408^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19373 + ... + 23468.

Almost surely, 287738368 is an apocalyptic number.

It is an amenable number.

87738368 is a deficient number, since it is larger than the sum of its proper divisors (87699622).

87738368 is an equidigital number, since it uses as much as digits as its factorization.

87738368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42863 (or 42843 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 87738368 is about 9366.8761067925. The cubic root of 87738368 is about 444.3547742058.

The spelling of 87738368 in words is "eighty-seven million, seven hundred thirty-eight thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 42841 85682 171364 342728 685456 1370912 2741824 5483648 10967296 21934592 43869184 87738368