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131104422 = 2327283579
BaseRepresentation
bin1111101000001…
…11111010100110
3100010200210110100
413310013322212
5232030320142
621002004530
73151240431
oct764077246
9303623410
10131104422
1168006769
1237aa6746
13212143a7
14135aa818
15b79ab4c
hex7d07ea6

131104422 has 12 divisors (see below), whose sum is σ = 284059620. Its totient is φ = 43701468.

The previous prime is 131104403. The next prime is 131104451. The reversal of 131104422 is 224401131.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7283579 = 131104422 / (1 + 3 + 1 + 1 + 0 + 4 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 131104395 and 131104404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3641772 + ... + 3641807.

It is an arithmetic number, because the mean of its divisors is an integer number (23671635).

Almost surely, 2131104422 is an apocalyptic number.

131104422 is an abundant number, since it is smaller than the sum of its proper divisors (152955198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131104422 is a wasteful number, since it uses less digits than its factorization.

131104422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283587 (or 7283584 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 131104422 is about 11450.0839298234. The cubic root of 131104422 is about 508.0102168983.

Adding to 131104422 its reverse (224401131), we get a palindrome (355505553).

The spelling of 131104422 in words is "one hundred thirty-one million, one hundred four thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 7283579 14567158 21850737 43701474 65552211 131104422