Search a number
-
+
115054440 = 2335958787
BaseRepresentation
bin1101101101110…
…01011101101000
322000111101000120
412312321131220
5213423220230
615230003240
72564642454
oct666713550
9260441016
10115054440
1159a44116
1232646520
131aab4b67
14113cd664
15a17a310
hex6db9768

115054440 has 32 divisors (see below), whose sum is σ = 345163680. Its totient is φ = 30681152.

The previous prime is 115054439. The next prime is 115054493. The reversal of 115054440 is 44450511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 115054440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479274 + ... + 479513.

It is an arithmetic number, because the mean of its divisors is an integer number (10786365).

Almost surely, 2115054440 is an apocalyptic number.

115054440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115054440 is an abundant number, since it is smaller than the sum of its proper divisors (230109240).

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

115054440 is a wasteful number, since it uses less digits than its factorization.

115054440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958801 (or 958797 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 115054440 is about 10726.3432725230. The cubic root of 115054440 is about 486.3711368528.

The spelling of 115054440 in words is "one hundred fifteen million, fifty-four thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 958787 1917574 2876361 3835148 4793935 5752722 7670296 9587870 11505444 14381805 19175740 23010888 28763610 38351480 57527220 115054440