Search a number
-
+
14215604 = 22132171237
BaseRepresentation
bin110110001110…
…100110110100
3222202020010212
4312032212310
512114344404
61224404552
7231554624
oct66164664
928666125
1014215604
11802a437
124916758
132c39600
141c60884
1513ac06e
hexd8e9b4

14215604 has 36 divisors (see below), whose sum is σ = 28545804. Its totient is φ = 6170112.

The previous prime is 14215603. The next prime is 14215609. The reversal of 14215604 is 40651241.

It can be written as a sum of positive squares in 6 ways, for example, as 168100 + 14047504 = 410^2 + 3748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14215604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14215601) 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 11 ways as a sum of consecutive naturals, for example, 10874 + ... + 12110.

It is an arithmetic number, because the mean of its divisors is an integer number (792939).

Almost surely, 214215604 is an apocalyptic number.

It is an amenable number.

14215604 is an abundant number, since it is smaller than the sum of its proper divisors (14330200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14215604 is a wasteful number, since it uses less digits than its factorization.

14215604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 14215604 is about 3770.3586036344. The cubic root of 14215604 is about 242.2451582928.

Adding to 14215604 its reverse (40651241), we get a palindrome (54866845).

The spelling of 14215604 in words is "fourteen million, two hundred fifteen thousand, six hundred four".

Divisors: 1 2 4 13 17 26 34 52 68 169 221 338 442 676 884 1237 2474 2873 4948 5746 11492 16081 21029 32162 42058 64324 84116 209053 273377 418106 546754 836212 1093508 3553901 7107802 14215604