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13048413 = 37621353
BaseRepresentation
bin110001110001…
…101001011101
3220112221001120
4301301221131
511320022123
61143401153
7215624010
oct61615135
926487046
1013048413
117402514
1244531b9
13291b271
141a39377
15122b2e3
hexc71a5d

13048413 has 8 divisors (see below), whose sum is σ = 19883328. Its totient is φ = 7456224.

The previous prime is 13048411. The next prime is 13048417. The reversal of 13048413 is 31484031.

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

It is not a de Polignac number, because 13048413 - 21 = 13048411 is a prime.

It is a super-2 number, since 2×130484132 = 340522163637138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13048411) 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, 310656 + ... + 310697.

It is an arithmetic number, because the mean of its divisors is an integer number (2485416).

Almost surely, 213048413 is an apocalyptic number.

It is an amenable number.

13048413 is a deficient number, since it is larger than the sum of its proper divisors (6834915).

13048413 is an equidigital number, since it uses as much as digits as its factorization.

13048413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621363.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 13048413 is about 3612.2587116650. The cubic root of 13048413 is about 235.4249922274.

The spelling of 13048413 in words is "thirteen million, forty-eight thousand, four hundred thirteen".

Divisors: 1 3 7 21 621353 1864059 4349471 13048413