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107209144 = 2376832803
BaseRepresentation
bin1100110001111…
…10000110111000
321110201210022001
412120332012320
5204421143034
614345510344
72441156050
oct630760670
9243653261
10107209144
11555758a9
122baa23b4
1319298c83
141034a560
15962aa14
hex663e1b8

107209144 has 32 divisors (see below), whose sum is σ = 230152320. Its totient is φ = 45863136.

The previous prime is 107209139. The next prime is 107209163. The reversal of 107209144 is 441902701.

It is a super-2 number, since 2×1072091442 = 22987601114425472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 36847 + ... + 39649.

It is an arithmetic number, because the mean of its divisors is an integer number (7192260).

Almost surely, 2107209144 is an apocalyptic number.

107209144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

107209144 is an abundant number, since it is smaller than the sum of its proper divisors (122943176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

107209144 is a wasteful number, since it uses less digits than its factorization.

107209144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 107209144 is about 10354.1848544441. The cubic root of 107209144 is about 475.0550540066.

The spelling of 107209144 in words is "one hundred seven million, two hundred nine thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 683 1366 2732 2803 4781 5464 5606 9562 11212 19124 19621 22424 38248 39242 78484 156968 1914449 3828898 7657796 13401143 15315592 26802286 53604572 107209144