Search a number
-
+
253906676 = 22538913457
BaseRepresentation
bin11110010001001…
…00111011110100
3122200202210110222
433020210323310
51010000003201
641110033512
76202112462
oct1710447364
9580683428
10253906676
11120361931
1271048898
13407ac94a
1425a15832
151745691b
hexf224ef4

253906676 has 24 divisors (see below), whose sum is σ = 457841160. Its totient is φ = 123149312.

The previous prime is 253906673. The next prime is 253906717. The reversal of 253906676 is 676609352.

It can be written as a sum of positive squares in 4 ways, for example, as 111724900 + 142181776 = 10570^2 + 11924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253906673) 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, 12140 + ... + 25596.

It is an arithmetic number, because the mean of its divisors is an integer number (19076715).

Almost surely, 2253906676 is an apocalyptic number.

It is an amenable number.

253906676 is a deficient number, since it is larger than the sum of its proper divisors (203934484).

253906676 is a wasteful number, since it uses less digits than its factorization.

253906676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603 (or 13601 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 253906676 is about 15934.4493472476. The cubic root of 253906676 is about 633.2249815256.

The spelling of 253906676 in words is "two hundred fifty-three million, nine hundred six thousand, six hundred seventy-six".

Divisors: 1 2 4 53 89 106 178 212 356 4717 9434 13457 18868 26914 53828 713221 1197673 1426442 2395346 2852884 4790692 63476669 126953338 253906676