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115421334 = 23729193491
BaseRepresentation
bin1101110000100…
…11000010010110
322001012000022020
412320103002112
5214021440314
615241514010
72601031230
oct670230226
9261160266
10115421334
115a174836
12327a2906
131abb2b62
1411487250
15a1edda9
hex6e13096

115421334 has 64 divisors (see below), whose sum is σ = 274890240. Its totient is φ = 31610880.

The previous prime is 115421321. The next prime is 115421351. The reversal of 115421334 is 433124511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234829 + ... + 235319.

It is an arithmetic number, because the mean of its divisors is an integer number (4295160).

Almost surely, 2115421334 is an apocalyptic number.

115421334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115421334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137445120).

115421334 is an abundant number, since it is smaller than the sum of its proper divisors (159468906).

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

115421334 is a wasteful number, since it uses less digits than its factorization.

115421334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its digits is 1440, while the sum is 24.

The square root of 115421334 is about 10743.4321331686. The cubic root of 115421334 is about 486.8875802164.

Adding to 115421334 its reverse (433124511), we get a palindrome (548545845).

The spelling of 115421334 in words is "one hundred fifteen million, four hundred twenty-one thousand, three hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 29 42 58 87 174 193 203 386 406 491 579 609 982 1158 1218 1351 1473 2702 2946 3437 4053 5597 6874 8106 10311 11194 14239 16791 20622 28478 33582 39179 42717 78358 85434 94763 99673 117537 189526 199346 235074 284289 299019 568578 598038 663341 1326682 1990023 2748127 3980046 5496254 8244381 16488762 19236889 38473778 57710667 115421334