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13048788 = 2231139623
BaseRepresentation
bin110001110001…
…101111010100
3220112221120110
4301301233110
511320030123
61143403020
7215625054
oct61615724
926487513
1013048788
117402825
124453470
13291b49c
141a39564
15122b493
hexc71bd4

13048788 has 24 divisors (see below), whose sum is σ = 30719808. Its totient is φ = 4310656.

The previous prime is 13048787. The next prime is 13048793. The reversal of 13048788 is 88784031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13048781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3456 + ... + 6167.

It is an arithmetic number, because the mean of its divisors is an integer number (1279992).

Almost surely, 213048788 is an apocalyptic number.

It is an amenable number.

13048788 is an abundant number, since it is smaller than the sum of its proper divisors (17671020).

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

13048788 is a wasteful number, since it uses less digits than its factorization.

13048788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743 (or 9741 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 13048788 is about 3612.3106178733. The cubic root of 13048788 is about 235.4272475087.

The spelling of 13048788 in words is "thirteen million, forty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 9623 19246 28869 38492 57738 115476 1087399 2174798 3262197 4349596 6524394 13048788