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115228575 = 3452711739
BaseRepresentation
bin1101101111000…
…11111110011111
322000211012220000
412313203332133
5213444303300
615233425343
72566266240
oct667437637
9260735800
10115228575
115a052a30
123270b253
131ab461b7
1411436cc7
15a1b1c00
hex6de3f9f

115228575 has 120 divisors (see below), whose sum is σ = 266471040. Its totient is φ = 47822400.

The previous prime is 115228541. The next prime is 115228591. The reversal of 115228575 is 575822511.

115228575 is a `hidden beast` number, since 11 + 52 + 28 + 575 = 666.

It is not a de Polignac number, because 115228575 - 26 = 115228511 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 155556 + ... + 156294.

It is an arithmetic number, because the mean of its divisors is an integer number (2220592).

Almost surely, 2115228575 is an apocalyptic number.

115228575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115228575 is an abundant number, since it is smaller than the sum of its proper divisors (151242465).

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

115228575 is a wasteful number, since it uses less digits than its factorization.

115228575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 765 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 115228575 is about 10734.4573686796. The cubic root of 115228575 is about 486.6163875519.

The spelling of 115228575 in words is "one hundred fifteen million, two hundred twenty-eight thousand, five hundred seventy-five".

Divisors: 1 3 5 7 9 11 15 21 25 27 33 35 45 55 63 75 77 81 99 105 135 165 175 189 225 231 275 297 315 385 405 495 525 567 675 693 739 825 891 945 1155 1485 1575 1925 2025 2079 2217 2475 2835 3465 3695 4455 4725 5173 5775 6237 6651 7425 8129 10395 11085 14175 15519 17325 18475 19953 22275 24387 25865 31185 33255 40645 46557 51975 55425 56903 59859 73161 77595 99765 121935 129325 139671 155925 166275 170709 203225 219483 232785 284515 299295 365805 387975 419013 498825 512127 609675 658449 698355 853545 1097415 1163925 1422575 1496475 1536381 1829025 2095065 2560635 3292245 3491775 4267725 4609143 5487075 7681905 10475325 12803175 16461225 23045715 38409525 115228575