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104013031 = 372811163
BaseRepresentation
bin1100011001100…
…01110011100111
321020201102001111
412030301303213
5203111404111
614153205451
72402044663
oct614616347
9236642044
10104013031
1153792591
122aa00887
131871a295
14db578a3
1591e8a21
hex6331ce7

104013031 has 4 divisors (see below), whose sum is σ = 106824232. Its totient is φ = 101201832.

The previous prime is 104012999. The next prime is 104013037. The reversal of 104013031 is 130310401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130310401 = 1310023877.

It is a cyclic number.

It is not a de Polignac number, because 104013031 - 25 = 104012999 is a prime.

It is a super-2 number, since 2×1040130312 = 21637421235613922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104013037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405545 + ... + 1405618.

It is an arithmetic number, because the mean of its divisors is an integer number (26706058).

Almost surely, 2104013031 is an apocalyptic number.

104013031 is a deficient number, since it is larger than the sum of its proper divisors (2811201).

104013031 is an equidigital number, since it uses as much as digits as its factorization.

104013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811200.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 104013031 is about 10198.6779045129. The cubic root of 104013031 is about 470.2865779048.

Adding to 104013031 its reverse (130310401), we get a palindrome (234323432).

The spelling of 104013031 in words is "one hundred four million, thirteen thousand, thirty-one".

Divisors: 1 37 2811163 104013031