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534918840 = 23354457657
BaseRepresentation
bin11111111000100…
…011011010111000
31101021112200200220
4133320203122320
52043414400330
6125025100040
716153510101
oct3770433270
91337480626
10534918840
11254a47495
1212b187620
1386a8cc31
14510853a8
1531e64710
hex1fe236b8

534918840 has 32 divisors (see below), whose sum is σ = 1604756880. Its totient is φ = 142644992.

The previous prime is 534918827. The next prime is 534918847. The reversal of 534918840 is 48819435.

It is a super-2 number, since 2×5349188402 = 572276330773891200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 534918792 and 534918801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534918847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228709 + ... + 2228948.

Almost surely, 2534918840 is an apocalyptic number.

It is an amenable number.

534918840 is an abundant number, since it is smaller than the sum of its proper divisors (1069838040).

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

534918840 is a wasteful number, since it uses less digits than its factorization.

534918840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457671 (or 4457667 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 534918840 is about 23128.3125195073. The cubic root of 534918840 is about 811.7630853718.

The spelling of 534918840 in words is "five hundred thirty-four million, nine hundred eighteen thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4457657 8915314 13372971 17830628 22288285 26745942 35661256 44576570 53491884 66864855 89153140 106983768 133729710 178306280 267459420 534918840