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107140405 = 521428081
BaseRepresentation
bin1100110001011…
…01010100110101
321110121022000011
412120231110311
5204411443110
614344220221
72440451461
oct630552465
9243538004
10107140405
1155529199
122ba6a671
13192738b8
141032d4a1
15961548a
hex662d535

107140405 has 4 divisors (see below), whose sum is σ = 128568492. Its totient is φ = 85712320.

The previous prime is 107140393. The next prime is 107140427. The reversal of 107140405 is 504041701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17288964 + 89851441 = 4158^2 + 9479^2 .

It is not a de Polignac number, because 107140405 - 211 = 107138357 is a prime.

It is a super-2 number, since 2×1071404052 = 22958132767128050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 10714036 + ... + 10714045.

It is an arithmetic number, because the mean of its divisors is an integer number (32142123).

Almost surely, 2107140405 is an apocalyptic number.

It is an amenable number.

107140405 is a deficient number, since it is larger than the sum of its proper divisors (21428087).

107140405 is an equidigital number, since it uses as much as digits as its factorization.

107140405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21428086.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 107140405 is about 10350.8649397043. The cubic root of 107140405 is about 474.9535023737.

The spelling of 107140405 in words is "one hundred seven million, one hundred forty thousand, four hundred five".

Divisors: 1 5 21428081 107140405