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542122055 = 5108424411
BaseRepresentation
bin100000010100000…
…010000001000111
31101210002122122122
4200110002001013
52102240401210
6125443320155
716301650526
oct4024020107
91353078578
10542122055
11259017362
1213168005b
13884127a7
1451ddc4bd
15328d8b55
hex20502047

542122055 has 4 divisors (see below), whose sum is σ = 650546472. Its totient is φ = 433697640.

The previous prime is 542122033. The next prime is 542122093. The reversal of 542122055 is 550221245.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 542122055 - 218 = 541859911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54212201 + ... + 54212210.

It is an arithmetic number, because the mean of its divisors is an integer number (162636618).

Almost surely, 2542122055 is an apocalyptic number.

542122055 is a deficient number, since it is larger than the sum of its proper divisors (108424417).

542122055 is a wasteful number, since it uses less digits than its factorization.

542122055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108424416.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 542122055 is about 23283.5146616657. The cubic root of 542122055 is about 815.3905839845.

The spelling of 542122055 in words is "five hundred forty-two million, one hundred twenty-two thousand, fifty-five".

Divisors: 1 5 108424411 542122055