Search a number
-
+
251060052 = 22334760293
BaseRepresentation
bin11101111011011…
…01111101010100
3122111102011122110
432331231331110
51003232410202
640525031020
76135655335
oct1675557524
9574364573
10251060052
11119798151
12700b5470
1340024059
14254b428c
151709326c
hexef6df54

251060052 has 24 divisors (see below), whose sum is σ = 587504736. Its totient is φ = 83444128.

The previous prime is 251060023. The next prime is 251060057. The reversal of 251060052 is 250060152.

It is a super-2 number, since 2×2510600522 = 126062299420485408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251060057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25983 + ... + 34310.

It is an arithmetic number, because the mean of its divisors is an integer number (24479364).

Almost surely, 2251060052 is an apocalyptic number.

It is an amenable number.

251060052 is an abundant number, since it is smaller than the sum of its proper divisors (336444684).

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

251060052 is a wasteful number, since it uses less digits than its factorization.

251060052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60647 (or 60645 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 251060052 is about 15844.8746287246. The cubic root of 251060052 is about 630.8496573129.

The spelling of 251060052 in words is "two hundred fifty-one million, sixty thousand, fifty-two".

Divisors: 1 2 3 4 6 12 347 694 1041 1388 2082 4164 60293 120586 180879 241172 361758 723516 20921671 41843342 62765013 83686684 125530026 251060052