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105990575 = 5271211283
BaseRepresentation
bin1100101000101…
…00100110101111
321101102212201212
412110110212233
5204113144300
614303425035
72424622265
oct624244657
9241385655
10105990575
1154913319
122b5b517b
1318c60422
1410110435
159489935
hex65149af

105990575 has 24 divisors (see below), whose sum is σ = 134384256. Its totient is φ = 82908000.

The previous prime is 105990559. The next prime is 105990623. The reversal of 105990575 is 575099501.

It is not a de Polignac number, because 105990575 - 24 = 105990559 is a prime.

It is a super-2 number, since 2×1059905752 = 22468003977661250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374384 + ... + 374666.

It is an arithmetic number, because the mean of its divisors is an integer number (5599344).

Almost surely, 2105990575 is an apocalyptic number.

105990575 is a deficient number, since it is larger than the sum of its proper divisors (28393681).

105990575 is a wasteful number, since it uses less digits than its factorization.

105990575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 70875, while the sum is 41.

The square root of 105990575 is about 10295.1724123494. The cubic root of 105990575 is about 473.2483219784.

The spelling of 105990575 in words is "one hundred five million, nine hundred ninety thousand, five hundred seventy-five".

Divisors: 1 5 25 71 211 283 355 1055 1415 1775 5275 7075 14981 20093 59713 74905 100465 298565 374525 502325 1492825 4239623 21198115 105990575