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542315838 = 23383323581
BaseRepresentation
bin100000010100110…
…001010100111110
31101210110111110210
4200110301110332
52102313101323
6125451413250
716303415511
oct4024612476
91353414423
10542315838
11259139a09
12131754226
138847ca5c
145204cd78
1532926293
hex2053153e

542315838 has 16 divisors (see below), whose sum is σ = 1084960656. Its totient is φ = 180717120.

The previous prime is 542315801. The next prime is 542315857. The reversal of 542315838 is 838513245.

It is a junction number, because it is equal to n+sod(n) for n = 542315796 and 542315805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11208 + ... + 34788.

It is an arithmetic number, because the mean of its divisors is an integer number (67810041).

Almost surely, 2542315838 is an apocalyptic number.

542315838 is an abundant number, since it is smaller than the sum of its proper divisors (542644818).

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

542315838 is a wasteful number, since it uses less digits than its factorization.

542315838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27419.

The product of its digits is 115200, while the sum is 39.

The square root of 542315838 is about 23287.6756676144. The cubic root of 542315838 is about 815.4877269366.

The spelling of 542315838 in words is "five hundred forty-two million, three hundred fifteen thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 3833 7666 11499 22998 23581 47162 70743 141486 90385973 180771946 271157919 542315838