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115206260 = 225132231987
BaseRepresentation
bin1101101110111…
…10100001110100
322000210002021112
412313132201310
5213443100020
615233134152
72566144211
oct667364164
9260702245
10115206260
115a038194
12326ba358
131ab38cb0
141142cb08
15a1aa2c5
hex6dde874

115206260 has 48 divisors (see below), whose sum is σ = 261843456. Its totient is φ = 42325632.

The previous prime is 115206257. The next prime is 115206283. The reversal of 115206260 is 62602511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56987 + ... + 58973.

It is an arithmetic number, because the mean of its divisors is an integer number (5455072).

Almost surely, 2115206260 is an apocalyptic number.

115206260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115206260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130921728).

115206260 is an abundant number, since it is smaller than the sum of its proper divisors (146637196).

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

115206260 is a wasteful number, since it uses less digits than its factorization.

115206260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 115206260 is about 10733.4179085695. The cubic root of 115206260 is about 486.5849730475.

Adding to 115206260 its reverse (62602511), we get a palindrome (177808771).

The spelling of 115206260 in words is "one hundred fifteen million, two hundred six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 223 260 446 892 1115 1987 2230 2899 3974 4460 5798 7948 9935 11596 14495 19870 25831 28990 39740 51662 57980 103324 129155 258310 443101 516620 886202 1772404 2215505 4431010 5760313 8862020 11520626 23041252 28801565 57603130 115206260