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88361357 = 721803293
BaseRepresentation
bin1010100010001…
…00100110001101
320011021012222212
411101010212031
5140110030412
612433520205
72122026200
oct521044615
9204235885
1088361357
1145972217
1225713065
13153ca136
14ba41937
157b56222
hex544498d

88361357 has 6 divisors (see below), whose sum is σ = 102787758. Its totient is φ = 75738264.

The previous prime is 88361333. The next prime is 88361369. The reversal of 88361357 is 75316388.

It can be written as a sum of positive squares in only one way, i.e., 54848836 + 33512521 = 7406^2 + 5789^2 .

It is a de Polignac number, because none of the positive numbers 2k-88361357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88361387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 901598 + ... + 901695.

It is an arithmetic number, because the mean of its divisors is an integer number (17131293).

Almost surely, 288361357 is an apocalyptic number.

It is an amenable number.

88361357 is a deficient number, since it is larger than the sum of its proper divisors (14426401).

88361357 is a wasteful number, since it uses less digits than its factorization.

88361357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803307 (or 1803300 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 88361357 is about 9400.0721805739. The cubic root of 88361357 is about 445.4040130062.

The spelling of 88361357 in words is "eighty-eight million, three hundred sixty-one thousand, three hundred fifty-seven".

Divisors: 1 7 49 1803293 12623051 88361357