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107172545 = 529739121
BaseRepresentation
bin1100110001101…
…01001011000001
321110122221002112
412120311023001
5204414010140
614345025105
72440644254
oct630651301
9243587075
10107172545
1155550357
122ba85195
131928540c
141033b09b
15961ec65
hex66352c1

107172545 has 8 divisors (see below), whose sum is σ = 133041960. Its totient is φ = 82781440.

The previous prime is 107172529. The next prime is 107172553. The reversal of 107172545 is 545271701.

It can be written as a sum of positive squares in 4 ways, for example, as 6190144 + 100982401 = 2488^2 + 10049^2 .

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

It is not a de Polignac number, because 107172545 - 24 = 107172529 is a prime.

It is a super-2 number, since 2×1071725452 = 22971908803554050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369416 + ... + 369705.

It is an arithmetic number, because the mean of its divisors is an integer number (16630245).

Almost surely, 2107172545 is an apocalyptic number.

It is an amenable number.

107172545 is a deficient number, since it is larger than the sum of its proper divisors (25869415).

107172545 is an equidigital number, since it uses as much as digits as its factorization.

107172545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739155.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 107172545 is about 10352.4173505515. The cubic root of 107172545 is about 475.0009898410. Note that the first 3 decimals are identical.

The spelling of 107172545 in words is "one hundred seven million, one hundred seventy-two thousand, five hundred forty-five".

Divisors: 1 5 29 145 739121 3695605 21434509 107172545