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115189230 = 23513295357
BaseRepresentation
bin1101101110110…
…10010111101110
322000202012220210
412313122113232
5213442023410
615232523250
72566043442
oct667322756
9260665823
10115189230
115a026412
12326b0526
131ab31310
1411426822
15a1a5220
hex6dda5ee

115189230 has 32 divisors (see below), whose sum is σ = 297720864. Its totient is φ = 28354176.

The previous prime is 115189223. The next prime is 115189253. The reversal of 115189230 is 32981511.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 147289 + ... + 148068.

It is an arithmetic number, because the mean of its divisors is an integer number (9303777).

Almost surely, 2115189230 is an apocalyptic number.

115189230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115189230 is an abundant number, since it is smaller than the sum of its proper divisors (182531634).

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

115189230 is a wasteful number, since it uses less digits than its factorization.

115189230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295380.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 115189230 is about 10732.6245625196. The cubic root of 115189230 is about 486.5609959058.

The spelling of 115189230 in words is "one hundred fifteen million, one hundred eighty-nine thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 295357 590714 886071 1476785 1772142 2953570 3839641 4430355 7679282 8860710 11518923 19198205 23037846 38396410 57594615 115189230