Search a number
-
+
14639207 = 116121817
BaseRepresentation
bin110111110110…
…000001100111
31000112202012212
4313312001213
512221423312
61241434035
7235300622
oct67660147
930482185
1014639207
118299720
124a9b91b
13305736b
141d30db9
151442822
hexdf6067

14639207 has 8 divisors (see below), whose sum is σ = 16232592. Its totient is φ = 13089600.

The previous prime is 14639197. The next prime is 14639213. The reversal of 14639207 is 70293641.

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 14639207 - 218 = 14377063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14639407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10238 + ... + 11579.

It is an arithmetic number, because the mean of its divisors is an integer number (2029074).

Almost surely, 214639207 is an apocalyptic number.

14639207 is a deficient number, since it is larger than the sum of its proper divisors (1593385).

14639207 is a wasteful number, since it uses less digits than its factorization.

14639207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21889.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 14639207 is about 3826.1216656034. The cubic root of 14639207 is about 244.6278230879.

The spelling of 14639207 in words is "fourteen million, six hundred thirty-nine thousand, two hundred seven".

Divisors: 1 11 61 671 21817 239987 1330837 14639207