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115025250 = 23531031489
BaseRepresentation
bin1101101101100…
…10010101100010
322000102212222110
412312302111202
5213421302000
615225220150
72564461404
oct666622542
9260385873
10115025250
1159a2419a
1232631656
131aaa47a2
14113c2b74
15a171850
hex6db2562

115025250 has 64 divisors (see below), whose sum is σ = 290085120. Its totient is φ = 30355200.

The previous prime is 115025249. The next prime is 115025257. The reversal of 115025250 is 52520511.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115025257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76506 + ... + 77994.

It is an arithmetic number, because the mean of its divisors is an integer number (4532580).

Almost surely, 2115025250 is an apocalyptic number.

115025250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115025250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145042560).

115025250 is an abundant number, since it is smaller than the sum of its proper divisors (175059870).

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

115025250 is a wasteful number, since it uses less digits than its factorization.

115025250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 115025250 is about 10724.9825174683. The cubic root of 115025250 is about 486.3300016177.

Adding to 115025250 its reverse (52520511), we get a palindrome (167545761).

The spelling of 115025250 in words is "one hundred fifteen million, twenty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 103 125 150 206 250 309 375 515 618 750 1030 1489 1545 2575 2978 3090 4467 5150 7445 7725 8934 12875 14890 15450 22335 25750 37225 38625 44670 74450 77250 111675 153367 186125 223350 306734 372250 460101 558375 766835 920202 1116750 1533670 2300505 3834175 4601010 7668350 11502525 19170875 23005050 38341750 57512625 115025250