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542843652 = 223133479767
BaseRepresentation
bin100000010110110…
…010001100000100
31101211110022111110
4200112302030010
52102431444102
6125511005020
716311044361
oct4026621404
91354408443
10542843652
1125946a51a
12131969770
1388606080
1452149468
15329cc86c
hex205b2304

542843652 has 24 divisors (see below), whose sum is σ = 1364069056. Its totient is φ = 167028768.

The previous prime is 542843647. The next prime is 542843657. The reversal of 542843652 is 256348245.

It is an interprime number because it is at equal distance from previous prime (542843647) and next prime (542843657).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 542843652.

It is not an unprimeable number, because it can be changed into a prime (542843657) 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, 1739728 + ... + 1740039.

Almost surely, 2542843652 is an apocalyptic number.

542843652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

542843652 is an abundant number, since it is smaller than the sum of its proper divisors (821225404).

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

542843652 is a wasteful number, since it uses less digits than its factorization.

542843652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479787 (or 3479785 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 542843652 is about 23299.0053864967. The cubic root of 542843652 is about 815.7522015261.

The spelling of 542843652 in words is "five hundred forty-two million, eight hundred forty-three thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 3479767 6959534 10439301 13919068 20878602 41757204 45236971 90473942 135710913 180947884 271421826 542843652