Search a number
-
+
243152452 = 22591030307
BaseRepresentation
bin11100111111000…
…11011001000100
3121221112102110101
432133203121010
5444221334302
640043333444
76011522164
oct1637433104
9557472411
10243152452
11115287044
1269521284
133b4b59ba
14244165a4
1516530287
hexe7e3644

243152452 has 12 divisors (see below), whose sum is σ = 432729360. Its totient is φ = 119515496.

The previous prime is 243152353. The next prime is 243152461. The reversal of 243152452 is 254251342.

It is a super-2 number, since 2×2431524522 = 118246229827224608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243152452.

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, 514918 + ... + 515389.

It is an arithmetic number, because the mean of its divisors is an integer number (36060780).

Almost surely, 2243152452 is an apocalyptic number.

It is an amenable number.

243152452 is a deficient number, since it is larger than the sum of its proper divisors (189576908).

243152452 is a wasteful number, since it uses less digits than its factorization.

243152452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030370 (or 1030368 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 243152452 is about 15593.3464015906. The cubic root of 243152452 is about 624.1556187863.

The spelling of 243152452 in words is "two hundred forty-three million, one hundred fifty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 59 118 236 1030307 2060614 4121228 60788113 121576226 243152452