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104020431 = 337937121
BaseRepresentation
bin1100011001100…
…11100111001111
321020201210012120
412030303213033
5203112123211
614153304023
72402105364
oct614634717
9236653176
10104020431
11537980a9
122aa05013
1318720768
14db5a46b
1591ead06
hex63339cf

104020431 has 8 divisors (see below), whose sum is σ = 142442544. Its totient is φ = 67472640.

The previous prime is 104020409. The next prime is 104020439. The reversal of 104020431 is 134020401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104020431 - 210 = 104019407 is a prime.

It is a super-2 number, since 2×1040204312 = 21640500130851522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 104020431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104020439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468450 + ... + 468671.

It is an arithmetic number, because the mean of its divisors is an integer number (17805318).

Almost surely, 2104020431 is an apocalyptic number.

104020431 is a deficient number, since it is larger than the sum of its proper divisors (38422113).

104020431 is an equidigital number, since it uses as much as digits as its factorization.

104020431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937161.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 104020431 is about 10199.0406901826. The cubic root of 104020431 is about 470.2977304759.

Adding to 104020431 its reverse (134020401), we get a palindrome (238040832).

The spelling of 104020431 in words is "one hundred four million, twenty thousand, four hundred thirty-one".

Divisors: 1 3 37 111 937121 2811363 34673477 104020431