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107411381 = 7211349571
BaseRepresentation
bin1100110011011…
…11011110110101
321111010001201022
412121233132311
5204444131011
614354110525
72442660500
oct631573665
9244101638
10107411381
11556a3840
122bb7b445
131933a03c
14103a0137
15966a8db
hex666f7b5

107411381 has 24 divisors (see below), whose sum is σ = 136936800. Its totient is φ = 83311200.

The previous prime is 107411371. The next prime is 107411399. The reversal of 107411381 is 183114701.

It is a de Polignac number, because none of the positive numbers 2k-107411381 is a prime.

It is a super-2 number, since 2×1074113812 = 23074409536654322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 107411381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107411371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187826 + ... + 188396.

It is an arithmetic number, because the mean of its divisors is an integer number (5705700).

Almost surely, 2107411381 is an apocalyptic number.

107411381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

107411381 is a deficient number, since it is larger than the sum of its proper divisors (29525419).

107411381 is a wasteful number, since it uses less digits than its factorization.

107411381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 107411381 is about 10363.9462078882. The cubic root of 107411381 is about 475.3535775534.

The spelling of 107411381 in words is "one hundred seven million, four hundred eleven thousand, three hundred eighty-one".

Divisors: 1 7 11 49 77 349 539 571 2443 3839 3997 6281 17101 26873 27979 43967 188111 199279 307769 1394953 2192069 9764671 15344483 107411381