Search a number
-
+
253112432 = 24137115471
BaseRepresentation
bin11110001011000…
…11000001110000
3122122021102222112
433011203001300
51004244044212
641041024452
76162264056
oct1705430160
9578242875
10253112432
1111a96a131
1270925128
1340592291
142588a1d6
151734b422
hexf163070

253112432 has 20 divisors (see below), whose sum is σ = 493989216. Its totient is φ = 125631360.

The previous prime is 253112423. The next prime is 253112443. The reversal of 253112432 is 234211352.

253112432 is nontrivially palindromic in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 253112398 and 253112407.

It is a congruent number.

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, 55544 + ... + 59927.

Almost surely, 2253112432 is an apocalyptic number.

It is an amenable number.

253112432 is a deficient number, since it is larger than the sum of its proper divisors (240876784).

253112432 is a wasteful number, since it uses less digits than its factorization.

253112432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115616 (or 115610 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 253112432 is about 15909.5075976600. The cubic root of 253112432 is about 632.5640294087.

Adding to 253112432 its reverse (234211352), we get a palindrome (487323784).

The spelling of 253112432 in words is "two hundred fifty-three million, one hundred twelve thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 137 274 548 1096 2192 115471 230942 461884 923768 1847536 15819527 31639054 63278108 126556216 253112432