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115419402 = 232721071223
BaseRepresentation
bin1101110000100…
…10100100001010
322001011220122200
412320102210022
5214021410102
615241501030
72601022500
oct670224412
9261156580
10115419402
115a17333a
12327a1776
131abb2007
1411486670
15a1ed51c
hex6e1290a

115419402 has 72 divisors (see below), whose sum is σ = 293862816. Its totient is φ = 32642064.

The previous prime is 115419397. The next prime is 115419457. The reversal of 115419402 is 204914511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 93763 + ... + 94985.

It is an arithmetic number, because the mean of its divisors is an integer number (4081428).

Almost surely, 2115419402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115419402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146931408).

115419402 is an abundant number, since it is smaller than the sum of its proper divisors (178443414).

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

115419402 is a wasteful number, since it uses less digits than its factorization.

115419402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 115419402 is about 10743.3422173921. The cubic root of 115419402 is about 486.8848635838.

The spelling of 115419402 in words is "one hundred fifteen million, four hundred nineteen thousand, four hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 107 126 147 214 294 321 441 642 749 882 963 1223 1498 1926 2247 2446 3669 4494 5243 6741 7338 8561 10486 11007 13482 15729 17122 22014 25683 31458 47187 51366 59927 77049 94374 119854 130861 154098 179781 261722 359562 392583 539343 785166 916027 1078686 1177749 1832054 2355498 2748081 5496162 6412189 8244243 12824378 16488486 19236567 38473134 57709701 115419402