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104022431 = 782313297
BaseRepresentation
bin1100011001101…
…00000110011111
321020201212221122
412030310012133
5203112204211
614153321155
72402114252
oct614640637
9236655848
10104022431
1153799657
122aa061bb
1318721646
14db5b099
1591eb6db
hex633419f

104022431 has 4 divisors (see below), whose sum is σ = 104043552. Its totient is φ = 104001312.

The previous prime is 104022427. The next prime is 104022433. The reversal of 104022431 is 134220401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134220401 = 719174343.

It is a cyclic number.

It is not a de Polignac number, because 104022431 - 22 = 104022427 is a prime.

It is a super-2 number, since 2×1040224312 = 21641332302299522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104022433) 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, 1175 + ... + 14471.

It is an arithmetic number, because the mean of its divisors is an integer number (26010888).

Almost surely, 2104022431 is an apocalyptic number.

104022431 is a deficient number, since it is larger than the sum of its proper divisors (21121).

104022431 is an equidigital number, since it uses as much as digits as its factorization.

104022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21120.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 104022431 is about 10199.1387381484. The cubic root of 104022431 is about 470.3007445935.

Adding to 104022431 its reverse (134220401), we get a palindrome (238242832).

The spelling of 104022431 in words is "one hundred four million, twenty-two thousand, four hundred thirty-one".

Divisors: 1 7823 13297 104022431