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542030520 = 23354516921
BaseRepresentation
bin100000010011101…
…011101010111000
31101202221000002110
4200103223222320
52102224434040
6125441332320
716301116623
oct4023535270
91352830073
10542030520
11258a64609
121316370a0
13883acc25
1451db6dba
15328bb980
hex204ebab8

542030520 has 32 divisors (see below), whose sum is σ = 1626091920. Its totient is φ = 144541440.

The previous prime is 542030519. The next prime is 542030563. The reversal of 542030520 is 25030245.

It is a super-2 number, since 2×5420305202 = 587594169222940800, which contains 22 as substring.

It is a congruent number.

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, 2258341 + ... + 2258580.

Almost surely, 2542030520 is an apocalyptic number.

It is an amenable number.

542030520 is an abundant number, since it is smaller than the sum of its proper divisors (1084061400).

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

542030520 is a wasteful number, since it uses less digits than its factorization.

542030520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516935 (or 4516931 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 542030520 is about 23281.5489175441. The cubic root of 542030520 is about 815.3446896590.

Adding to 542030520 its reverse (25030245), we get a palindrome (567060765).

The spelling of 542030520 in words is "five hundred forty-two million, thirty thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4516921 9033842 13550763 18067684 22584605 27101526 36135368 45169210 54203052 67753815 90338420 108406104 135507630 180676840 271015260 542030520