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104231253 = 379751169
BaseRepresentation
bin1100011011001…
…11000101010101
321021010111101210
412031213011111
5203140400003
614202012033
72403644130
oct615470525
9237114353
10104231253
1153921535
122aaa7019
13187956c9
14dbb3217
15923d503
hex6367155

104231253 has 16 divisors (see below), whose sum is σ = 160469120. Its totient is φ = 58945536.

The previous prime is 104231251. The next prime is 104231279. The reversal of 104231253 is 352132401.

It is not a de Polignac number, because 104231253 - 21 = 104231251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104231251) 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, 23548 + ... + 27621.

It is an arithmetic number, because the mean of its divisors is an integer number (10029320).

Almost surely, 2104231253 is an apocalyptic number.

It is an amenable number.

104231253 is a deficient number, since it is larger than the sum of its proper divisors (56237867).

104231253 is an equidigital number, since it uses as much as digits as its factorization.

104231253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51276.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 104231253 is about 10209.3708425152. The cubic root of 104231253 is about 470.6152392558.

Adding to 104231253 its reverse (352132401), we get a palindrome (456363654).

The spelling of 104231253 in words is "one hundred four million, two hundred thirty-one thousand, two hundred fifty-three".

Divisors: 1 3 7 21 97 291 679 2037 51169 153507 358183 1074549 4963393 14890179 34743751 104231253