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105987938 = 277570567
BaseRepresentation
bin1100101000100…
…11111101100010
321101102202010012
412110103331202
5204113103223
614303404522
72424611510
oct624237542
9241382105
10105987938
1154911341
122b5b3742
1318c5c174
141010d4b0
159488c78
hex6513f62

105987938 has 8 divisors (see below), whose sum is σ = 181693632. Its totient is φ = 45423396.

The previous prime is 105987919. The next prime is 105987941. The reversal of 105987938 is 839789501.

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

It is a super-2 number, since 2×1059879382 = 22466886002983688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785270 + ... + 3785297.

It is an arithmetic number, because the mean of its divisors is an integer number (22711704).

Almost surely, 2105987938 is an apocalyptic number.

105987938 is a deficient number, since it is larger than the sum of its proper divisors (75705694).

105987938 is an equidigital number, since it uses as much as digits as its factorization.

105987938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570576.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 105987938 is about 10295.0443418181. The cubic root of 105987938 is about 473.2443972075.

The spelling of 105987938 in words is "one hundred five million, nine hundred eighty-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 7 14 7570567 15141134 52993969 105987938