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252060580 = 22553401593
BaseRepresentation
bin11110000011000…
…10001110100100
3122120022000010001
433001202032210
51004011414310
641002311044
76150323332
oct1701421644
9576260101
10252060580
1111a310932
12704b8484
13402b4595
1425694b52
15171de93a
hexf0623a4

252060580 has 48 divisors (see below), whose sum is σ = 541571184. Its totient is φ = 98508800.

The previous prime is 252060569. The next prime is 252060587. The reversal of 252060580 is 85060252.

It can be written as a sum of positive squares in 8 ways, for example, as 46539684 + 205520896 = 6822^2 + 14336^2 .

It is not an unprimeable number, because it can be changed into a prime (252060587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424764 + ... + 425356.

It is an arithmetic number, because the mean of its divisors is an integer number (11282733).

Almost surely, 2252060580 is an apocalyptic number.

252060580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252060580 is an abundant number, since it is smaller than the sum of its proper divisors (289510604).

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

252060580 is a wasteful number, since it uses less digits than its factorization.

252060580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 252060580 is about 15876.4158423745. The cubic root of 252060580 is about 631.6865701368.

The spelling of 252060580 in words is "two hundred fifty-two million, sixty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 53 106 212 265 401 530 593 802 1060 1186 1604 2005 2372 2965 4010 5930 8020 11860 21253 31429 42506 62858 85012 106265 125716 157145 212530 237793 314290 425060 475586 628580 951172 1188965 2377930 4755860 12603029 25206058 50412116 63015145 126030290 252060580