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115480440 = 23325973307
BaseRepresentation
bin1101110001000…
…01011101111000
322001022000101100
412320201131320
5214030333230
615243051400
72601365445
oct670413570
9261260340
10115480440
115a205189
1232810b60
131ac03a2a
14114a09cc
15a211660
hex6e21778

115480440 has 96 divisors (see below), whose sum is σ = 379295280. Its totient is φ = 30468096.

The previous prime is 115480433. The next prime is 115480459. The reversal of 115480440 is 44084511.

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 23 ways as a sum of consecutive naturals, for example, 33267 + ... + 36573.

Almost surely, 2115480440 is an apocalyptic number.

115480440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115480440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189647640).

115480440 is an abundant number, since it is smaller than the sum of its proper divisors (263814840).

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

115480440 is a wasteful number, since it uses less digits than its factorization.

115480440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421 (or 3414 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 115480440 is about 10746.1825780135. The cubic root of 115480440 is about 486.9706759648.

The spelling of 115480440 in words is "one hundred fifteen million, four hundred eighty thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 97 120 180 194 291 360 388 485 582 776 873 970 1164 1455 1746 1940 2328 2910 3307 3492 3880 4365 5820 6614 6984 8730 9921 11640 13228 16535 17460 19842 26456 29763 33070 34920 39684 49605 59526 66140 79368 99210 119052 132280 148815 198420 238104 297630 320779 396840 595260 641558 962337 1190520 1283116 1603895 1924674 2566232 2887011 3207790 3849348 4811685 5774022 6415580 7698696 9623370 11548044 12831160 14435055 19246740 23096088 28870110 38493480 57740220 115480440