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534538878 = 2389089813
BaseRepresentation
bin11111110111000…
…110101001111110
31101020211101111020
4133313012221332
52043320221003
6125013005010
716150335246
oct3767065176
91336741436
10534538878
11254807a75
1212b023766
1386988cc3
1450dc6b26
1531ddbd53
hex1fdc6a7e

534538878 has 8 divisors (see below), whose sum is σ = 1069077768. Its totient is φ = 178179624.

The previous prime is 534538877. The next prime is 534538897. The reversal of 534538878 is 878835435.

It is a sphenic number, since it is the product of 3 distinct primes.

534538878 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 534538878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534538877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44544901 + ... + 44544912.

It is an arithmetic number, because the mean of its divisors is an integer number (133634721).

Almost surely, 2534538878 is an apocalyptic number.

534538878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

534538878 is a wasteful number, since it uses less digits than its factorization.

534538878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89089818.

The product of its digits is 3225600, while the sum is 51.

The square root of 534538878 is about 23120.0968423577. The cubic root of 534538878 is about 811.5708367781.

The spelling of 534538878 in words is "five hundred thirty-four million, five hundred thirty-eight thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 89089813 178179626 267269439 534538878