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104961131 = 1130892
BaseRepresentation
bin1100100000110…
…01010001101011
321022111120121022
412100121101223
5203332224011
614225403055
72413104062
oct620312153
9238446538
10104961131
115427a940
122b19948b
131898c9a2
14dd231d9
1593348db
hex641946b

104961131 has 6 divisors (see below), whose sum is σ = 114540132. Its totient is φ = 95388320.

The previous prime is 104961127. The next prime is 104961161. The reversal of 104961131 is 131169401.

It is not a de Polignac number, because 104961131 - 22 = 104961127 is a prime.

It is a super-2 number, since 2×1049611312 = 22033678041598322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104961131.

It is not an unprimeable number, because it can be changed into a prime (104961161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32435 + ... + 35523.

It is an arithmetic number, because the mean of its divisors is an integer number (19090022).

Almost surely, 2104961131 is an apocalyptic number.

104961131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104961131 is a deficient number, since it is larger than the sum of its proper divisors (9579001).

104961131 is an frugal number, since it uses more digits than its factorization.

104961131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6189 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 104961131 is about 10245.0539774078. The cubic root of 104961131 is about 471.7111774987.

The spelling of 104961131 in words is "one hundred four million, nine hundred sixty-one thousand, one hundred thirty-one".

Divisors: 1 11 3089 33979 9541921 104961131