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13880461 = 74574339
BaseRepresentation
bin110100111100…
…110010001101
3222010012102011
4310330302031
512023133321
61213301221
7225660550
oct64746215
928105364
1013880461
117920661
124794811
132b4cbba
141bb4697
151342ae1
hexd3cc8d

13880461 has 8 divisors (see below), whose sum is σ = 15901760. Its totient is φ = 11868768.

The previous prime is 13880459. The next prime is 13880491. The reversal of 13880461 is 16408831.

13880461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13880461 - 21 = 13880459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880411) 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, 1030 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (1987720).

Almost surely, 213880461 is an apocalyptic number.

It is an amenable number.

13880461 is a deficient number, since it is larger than the sum of its proper divisors (2021299).

13880461 is an equidigital number, since it uses as much as digits as its factorization.

13880461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 13880461 is about 3725.6490709674. The cubic root of 13880461 is about 240.3262980703.

It can be divided in two parts, 13880 and 461, that added together give a palindrome (14341).

The spelling of 13880461 in words is "thirteen million, eight hundred eighty thousand, four hundred sixty-one".

Divisors: 1 7 457 3199 4339 30373 1982923 13880461