Search a number
-
+
13814890 = 251381489
BaseRepresentation
bin110100101100…
…110001101010
3221222212110121
4310230301222
512014034030
61212033454
7225265435
oct64546152
927885417
1013814890
117886371
12476288a
132b290bb
141b9881c
15132d47a
hexd2cc6a

13814890 has 8 divisors (see below), whose sum is σ = 24866820. Its totient is φ = 5525952.

The previous prime is 13814887. The next prime is 13814893. The reversal of 13814890 is 9841831.

It is a happy number.

13814890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13814887) and next prime (13814893).

It can be written as a sum of positive squares in 2 ways, for example, as 13256881 + 558009 = 3641^2 + 747^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13814893) 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, 690735 + ... + 690754.

Almost surely, 213814890 is an apocalyptic number.

13814890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13814890 is a deficient number, since it is larger than the sum of its proper divisors (11051930).

13814890 is a wasteful number, since it uses less digits than its factorization.

13814890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381496.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 13814890 is about 3716.8387105173. The cubic root of 13814890 is about 239.9472685076.

The spelling of 13814890 in words is "thirteen million, eight hundred fourteen thousand, eight hundred ninety".

Divisors: 1 2 5 10 1381489 2762978 6907445 13814890