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542755940 = 225171596341
BaseRepresentation
bin100000010110011…
…100110001100100
31101211021212011212
4200112130301210
52102421142230
6125505050552
716310230556
oct4026346144
91354255155
10542755940
1125940a631
12131926a58
13885a517c
14521254d6
15329b1895
hex2059cc64

542755940 has 24 divisors (see below), whose sum is σ = 1206834552. Its totient is φ = 204331520.

The previous prime is 542755931. The next prime is 542755943. The reversal of 542755940 is 49557245.

It can be written as a sum of positive squares in 4 ways, for example, as 250209124 + 292546816 = 15818^2 + 17104^2 .

It is not an unprimeable number, because it can be changed into a prime (542755943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797831 + ... + 798510.

It is an arithmetic number, because the mean of its divisors is an integer number (50284773).

Almost surely, 2542755940 is an apocalyptic number.

It is an amenable number.

542755940 is an abundant number, since it is smaller than the sum of its proper divisors (664078612).

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

542755940 is a wasteful number, since it uses less digits than its factorization.

542755940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596367 (or 1596365 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 542755940 is about 23297.1229983447. The cubic root of 542755940 is about 815.7082630852.

The spelling of 542755940 in words is "five hundred forty-two million, seven hundred fifty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1596341 3192682 6385364 7981705 15963410 27137797 31926820 54275594 108551188 135688985 271377970 542755940