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107626021 = 612417321
BaseRepresentation
bin1100110101000…
…11111000100101
321111111222010221
412122203320211
5210023013041
614402444341
72444543326
oct632437045
9244458127
10107626021
1155830028
12300636b1
13193b3949
141041844d
1596ae2d1
hex66a3e25

107626021 has 8 divisors (see below), whose sum is σ = 109859288. Its totient is φ = 105408000.

The previous prime is 107625977. The next prime is 107626027. The reversal of 107626021 is 120626701.

It can be written as a sum of positive squares in 4 ways, for example, as 2788900 + 104837121 = 1670^2 + 10239^2 .

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

It is not a de Polignac number, because 107626021 - 215 = 107593253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107626027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11041 + ... + 18361.

It is an arithmetic number, because the mean of its divisors is an integer number (13732411).

Almost surely, 2107626021 is an apocalyptic number.

It is an amenable number.

107626021 is a deficient number, since it is larger than the sum of its proper divisors (2233267).

107626021 is an equidigital number, since it uses as much as digits as its factorization.

107626021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 107626021 is about 10374.2961688974. The cubic root of 107626021 is about 475.6699996564.

The spelling of 107626021 in words is "one hundred seven million, six hundred twenty-six thousand, twenty-one".

Divisors: 1 61 241 7321 14701 446581 1764361 107626021