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252913876 = 22199317731
BaseRepresentation
bin11110001001100…
…10100011010100
3122121220100121121
433010302203110
51004221221001
641032453324
76160506145
oct1704624324
9577810547
10252913876
1111a843a36
127084a244
1340522aa7
1425837acc
151730c6a1
hexf1328d4

252913876 has 12 divisors (see below), whose sum is σ = 444824800. Its totient is φ = 125821080.

The previous prime is 252913861. The next prime is 252913877. The reversal of 252913876 is 678319252.

It is a super-3 number, since 3×2529138763 (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252913877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158070 + ... + 159661.

Almost surely, 2252913876 is an apocalyptic number.

It is an amenable number.

252913876 is a deficient number, since it is larger than the sum of its proper divisors (191910924).

252913876 is a wasteful number, since it uses less digits than its factorization.

252913876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317934 (or 317932 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 252913876 is about 15903.2662054057. The cubic root of 252913876 is about 632.3985795607.

The spelling of 252913876 in words is "two hundred fifty-two million, nine hundred thirteen thousand, eight hundred seventy-six".

Divisors: 1 2 4 199 398 796 317731 635462 1270924 63228469 126456938 252913876