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115230402 = 232719127379
BaseRepresentation
bin1101101111001…
…00011011000010
322000211022101200
412313210123002
5213444333102
615233442030
72566304460
oct667443302
9260738350
10115230402
115a054341
1232710316
131ab46c91
1411437830
15a1b251c
hex6de46c2

115230402 has 96 divisors (see below), whose sum is σ = 303513600. Its totient is φ = 30862944.

The previous prime is 115230389. The next prime is 115230407. The reversal of 115230402 is 204032511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (115230407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303849 + ... + 304227.

It is an arithmetic number, because the mean of its divisors is an integer number (3161600).

Almost surely, 2115230402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115230402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151756800).

115230402 is an abundant number, since it is smaller than the sum of its proper divisors (188283198).

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

115230402 is a wasteful number, since it uses less digits than its factorization.

115230402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 115230402 is about 10734.5424681260. The cubic root of 115230402 is about 486.6189593776.

Adding to 115230402 its reverse (204032511), we get a palindrome (319262913).

The spelling of 115230402 in words is "one hundred fifteen million, two hundred thirty thousand, four hundred two".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 57 63 114 126 127 133 171 254 266 342 379 381 399 758 762 798 889 1137 1143 1197 1778 2274 2286 2394 2413 2653 2667 3411 4826 5306 5334 6822 7201 7239 7959 8001 14402 14478 15918 16002 16891 21603 21717 23877 33782 43206 43434 47754 48133 50407 50673 64809 96266 100814 101346 129618 144399 151221 152019 288798 302442 304038 336931 433197 453663 673862 866394 907326 914527 1010793 1829054 2021586 2743581 3032379 5487162 6064758 6401689 8230743 12803378 16461486 19205067 38410134 57615201 115230402