Search a number
-
+
253396972 = 22107592049
BaseRepresentation
bin11110001101010…
…00011111101100
3122122210220022001
433012220133230
51004332200342
641051102044
76164560453
oct1706503754
9578726261
10253396972
11120043994
1270a41924
134066194a
1425921b9a
15173a58b7
hexf1a87ec

253396972 has 12 divisors (see below), whose sum is σ = 447589800. Its totient is φ = 125514176.

The previous prime is 253396967. The next prime is 253396991. The reversal of 253396972 is 279693352.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295597 + ... + 296452.

It is an arithmetic number, because the mean of its divisors is an integer number (37299150).

Almost surely, 2253396972 is an apocalyptic number.

It is an amenable number.

253396972 is a deficient number, since it is larger than the sum of its proper divisors (194192828).

253396972 is a wasteful number, since it uses less digits than its factorization.

253396972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592160 (or 592158 counting only the distinct ones).

The product of its digits is 612360, while the sum is 46.

The square root of 253396972 is about 15918.4475373700. The cubic root of 253396972 is about 632.8009759751.

The spelling of 253396972 in words is "two hundred fifty-three million, three hundred ninety-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 107 214 428 592049 1184098 2368196 63349243 126698486 253396972