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104492931 = 31711531777
BaseRepresentation
bin1100011101001…
…10111110000011
321021121210100120
412032212332003
5203222233211
614211351323
72406114054
oct616467603
9237553316
10104492931
1153a900a4
122abb2543
131885784a
14dc4072b
159290d06
hex63a6f83

104492931 has 16 divisors (see below), whose sum is σ = 147730464. Its totient is φ = 65470464.

The previous prime is 104492923. The next prime is 104493001. The reversal of 104492931 is 139294401.

It is not a de Polignac number, because 104492931 - 23 = 104492923 is a prime.

It is a super-2 number, since 2×1044929312 = 21837545257941522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104492892 and 104492901.

It is not an unprimeable number, because it can be changed into a prime (104492911) 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, 57915 + ... + 59691.

It is an arithmetic number, because the mean of its divisors is an integer number (9233154).

Almost surely, 2104492931 is an apocalyptic number.

104492931 is a deficient number, since it is larger than the sum of its proper divisors (43237533).

104492931 is a wasteful number, since it uses less digits than its factorization.

104492931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 104492931 is about 10222.1783881910. The cubic root of 104492931 is about 471.0087448397.

The spelling of 104492931 in words is "one hundred four million, four hundred ninety-two thousand, nine hundred thirty-one".

Divisors: 1 3 17 51 1153 1777 3459 5331 19601 30209 58803 90627 2048881 6146643 34830977 104492931