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240242480 = 2453781163
BaseRepresentation
bin11100101000111…
…00111100110000
3121202001120201122
432110130330300
5443000224410
635501121412
75645012252
oct1624347460
9552046648
10240242480
11113679805
1268559268
133aa0731a
1423c99cd2
1516157e55
hexe51cf30

240242480 has 40 divisors (see below), whose sum is σ = 573667152. Its totient is φ = 93498624.

The previous prime is 240242473. The next prime is 240242491. The reversal of 240242480 is 84242042.

240242480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 37622 + ... + 43541.

Almost surely, 2240242480 is an apocalyptic number.

240242480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240242480 is an abundant number, since it is smaller than the sum of its proper divisors (333424672).

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

240242480 is a wasteful number, since it uses less digits than its factorization.

240242480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81213 (or 81207 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 240242480 is about 15499.7574174566. The cubic root of 240242480 is about 621.6557201180.

The spelling of 240242480 in words is "two hundred forty million, two hundred forty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 37 40 74 80 148 185 296 370 592 740 1480 2960 81163 162326 324652 405815 649304 811630 1298608 1623260 3003031 3246520 6006062 6493040 12012124 15015155 24024248 30030310 48048496 60060620 120121240 240242480