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108225637 = 1311373673
BaseRepresentation
bin1100111001101…
…10010001100101
321112122102122221
412130312101211
5210201210022
614423352341
72452621432
oct634662145
9245572587
10108225637
11560aa583
12302b26b1
1319563850
1410532b89
15977bcc7
hex6736465

108225637 has 8 divisors (see below), whose sum is σ = 117583704. Its totient is φ = 99015168.

The previous prime is 108225599. The next prime is 108225661. The reversal of 108225637 is 736522801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1185921 + 107039716 = 1089^2 + 10346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108225637 - 211 = 108223589 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 (108225137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35368 + ... + 38305.

It is an arithmetic number, because the mean of its divisors is an integer number (14697963).

Almost surely, 2108225637 is an apocalyptic number.

It is an amenable number.

108225637 is a deficient number, since it is larger than the sum of its proper divisors (9358067).

108225637 is a wasteful number, since it uses less digits than its factorization.

108225637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73799.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 108225637 is about 10403.1551463967. The cubic root of 108225637 is about 476.5517297224.

The spelling of 108225637 in words is "one hundred eight million, two hundred twenty-five thousand, six hundred thirty-seven".

Divisors: 1 13 113 1469 73673 957749 8325049 108225637