Search a number
-
+
252400523960 = 23513485385623
BaseRepresentation
bin1110101100010000111…
…1100101101010111000
3220010111020010002221002
43223010033211222320
513113404013231320
6311541243104132
724143502024614
oct3530417455270
9803436102832
10252400523960
1198051574452
1240b00512048
131aa554cc180
14c30556a344
156873945675
hex3ac43e5ab8

252400523960 has 32 divisors (see below), whose sum is σ = 611585886240. Its totient is φ = 93194039424.

The previous prime is 252400523959. The next prime is 252400524007. The reversal of 252400523960 is 69325004252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242692292 + ... + 242693331.

It is an arithmetic number, because the mean of its divisors is an integer number (19112058945).

Almost surely, 2252400523960 is an apocalyptic number.

252400523960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252400523960 is an abundant number, since it is smaller than the sum of its proper divisors (359185362280).

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

252400523960 is a wasteful number, since it uses less digits than its factorization.

252400523960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485385647 (or 485385643 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 252400523960 in words is "two hundred fifty-two billion, four hundred million, five hundred twenty-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 485385623 970771246 1941542492 2426928115 3883084984 4853856230 6310013099 9707712460 12620026198 19415424920 25240052396 31550065495 50480104792 63100130990 126200261980 252400523960