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107071638 = 2317845273
BaseRepresentation
bin1100110000111…
…00100010010110
321110110210200020
412120130202112
5204402243023
614342530010
72440044132
oct630344226
9243423606
10107071638
1155491563
122ba36906
131924b4cb
14103123c2
1595eede3
hex661c896

107071638 has 8 divisors (see below), whose sum is σ = 214143288. Its totient is φ = 35690544.

The previous prime is 107071619. The next prime is 107071639. The reversal of 107071638 is 836170701.

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

107071638 is an admirable number.

It is a super-2 number, since 2×1070716382 = 22928671328006088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 107071599 and 107071608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107071639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8922631 + ... + 8922642.

It is an arithmetic number, because the mean of its divisors is an integer number (26767911).

Almost surely, 2107071638 is an apocalyptic number.

107071638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

107071638 is a wasteful number, since it uses less digits than its factorization.

107071638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17845278.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 107071638 is about 10347.5426068222. The cubic root of 107071638 is about 474.8518659035.

The spelling of 107071638 in words is "one hundred seven million, seventy-one thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 17845273 35690546 53535819 107071638