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107225839 = 7236411039
BaseRepresentation
bin1100110010000…
…10001011101111
321110202122012101
412121002023233
5204422211324
614350115531
72441255530
oct631021357
9243678171
10107225839
11555873a6
122baabba7
13192a3756
1410352687
159630944
hex66422ef

107225839 has 16 divisors (see below), whose sum is σ = 128194560. Its totient is φ = 87690240.

The previous prime is 107225809. The next prime is 107225843. The reversal of 107225839 is 938522701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-107225839 is a prime.

It is a super-2 number, since 2×1072258392 = 22994761098507842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107225798 and 107225807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107225809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102682 + ... + 103720.

It is an arithmetic number, because the mean of its divisors is an integer number (8012160).

Almost surely, 2107225839 is an apocalyptic number.

107225839 is a deficient number, since it is larger than the sum of its proper divisors (20968721).

107225839 is a wasteful number, since it uses less digits than its factorization.

107225839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 107225839 is about 10354.9910188276. The cubic root of 107225839 is about 475.0797118302.

It can be divided in two parts, 10722 and 5839, that added together give a palindrome (16561).

The spelling of 107225839 in words is "one hundred seven million, two hundred twenty-five thousand, eight hundred thirty-nine".

Divisors: 1 7 23 161 641 1039 4487 7273 14743 23897 103201 167279 665999 4661993 15317977 107225839