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13880253 = 34626751
BaseRepresentation
bin110100111100…
…101110111101
3222010012010110
4310330232331
512023132003
61213300233
7225660132
oct64745675
928105113
1013880253
117920492
124794679
132b4ca8a
141bb4589
151342a03
hexd3cbbd

13880253 has 4 divisors (see below), whose sum is σ = 18507008. Its totient is φ = 9253500.

The previous prime is 13880231. The next prime is 13880257. The reversal of 13880253 is 35208831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13880253 - 28 = 13879997 is a prime.

It is a super-2 number, since 2×138802532 = 385322846688018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13880253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313373 + ... + 2313378.

It is an arithmetic number, because the mean of its divisors is an integer number (4626752).

Almost surely, 213880253 is an apocalyptic number.

It is an amenable number.

13880253 is a deficient number, since it is larger than the sum of its proper divisors (4626755).

13880253 is an equidigital number, since it uses as much as digits as its factorization.

13880253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626754.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 13880253 is about 3725.6211562637. The cubic root of 13880253 is about 240.3250976270.

The spelling of 13880253 in words is "thirteen million, eight hundred eighty thousand, two hundred fifty-three".

Divisors: 1 3 4626751 13880253