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542817258 = 2390469543
BaseRepresentation
bin100000010110101…
…011101111101010
31101211101222021220
4200112223233222
52102430123013
6125510242510
716310604414
oct4026535752
91354358256
10542817258
11259451705
12131956436
13885c7059
145213d9b4
15329c4b23
hex205abbea

542817258 has 8 divisors (see below), whose sum is σ = 1085634528. Its totient is φ = 180939084.

The previous prime is 542817257. The next prime is 542817263. The reversal of 542817258 is 852718245.

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

542817258 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (542817257) 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, 45234766 + ... + 45234777.

It is an arithmetic number, because the mean of its divisors is an integer number (135704316).

Almost surely, 2542817258 is an apocalyptic number.

542817258 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.

542817258 is a wasteful number, since it uses less digits than its factorization.

542817258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90469548.

The product of its digits is 179200, while the sum is 42.

The square root of 542817258 is about 23298.4389605827. The cubic root of 542817258 is about 815.7389802161.

The spelling of 542817258 in words is "five hundred forty-two million, eight hundred seventeen thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 90469543 180939086 271408629 542817258