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542553544 = 2313330869
BaseRepresentation
bin100000010101101…
…011010111001000
31101210220120112201
4200111223113020
52102343203134
6125500445544
716305425521
oct4025532710
91353816481
10542553544
11259291565
121318498b4
1388534000
14520b1848
1532971914
hex2056b5c8

542553544 has 32 divisors (see below), whose sum is σ = 1102059000. Its totient is φ = 250401216.

The previous prime is 542553541. The next prime is 542553553. The reversal of 542553544 is 445355245.

It can be written as a sum of positive squares in 4 ways, for example, as 3849444 + 538704100 = 1962^2 + 23210^2 .

It is not an unprimeable number, because it can be changed into a prime (542553541) by changing a digit.

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, 2142 + ... + 33010.

Almost surely, 2542553544 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 542553544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551029500).

542553544 is an abundant number, since it is smaller than the sum of its proper divisors (559505456).

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

542553544 is a wasteful number, since it uses less digits than its factorization.

542553544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30914 (or 30884 counting only the distinct ones).

The product of its digits is 240000, while the sum is 37.

The square root of 542553544 is about 23292.7787951545. The cubic root of 542553544 is about 815.6068567848.

The spelling of 542553544 in words is "five hundred forty-two million, five hundred fifty-three thousand, five hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 2197 4394 8788 17576 30869 61738 123476 246952 401297 802594 1605188 3210376 5216861 10433722 20867444 41734888 67819193 135638386 271276772 542553544