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542453884 = 227174724247
BaseRepresentation
bin100000010101010…
…011000001111100
31101210201111211121
4200111103001330
52102332011014
6125454400324
716304532130
oct4025230174
91353644747
10542453884
112592236a5
121318000a4
13884ca83b
14520873c0
1532952124
hex2055307c

542453884 has 48 divisors (see below), whose sum is σ = 1173215232. Its totient is φ = 214140672.

The previous prime is 542453851. The next prime is 542453893. The reversal of 542453884 is 488354245.

It is a happy number.

It is a super-3 number, since 3×5424538843 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542453884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10249 + ... + 34495.

It is an arithmetic number, because the mean of its divisors is an integer number (24441984).

Almost surely, 2542453884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542453884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586607616).

542453884 is an abundant number, since it is smaller than the sum of its proper divisors (630761348).

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

542453884 is a wasteful number, since it uses less digits than its factorization.

542453884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24322 (or 24320 counting only the distinct ones).

The product of its digits is 614400, while the sum is 43.

The square root of 542453884 is about 23290.6394072812. The cubic root of 542453884 is about 815.5569149511.

The spelling of 542453884 in words is "five hundred forty-two million, four hundred fifty-three thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 17 28 34 47 68 94 119 188 238 329 476 658 799 1316 1598 3196 5593 11186 22372 24247 48494 96988 169729 339458 412199 678916 824398 1139609 1648796 2279218 2885393 4558436 5770786 7977263 11541572 15954526 19373353 31909052 38746706 77493412 135613471 271226942 542453884