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542152532 = 221149711789
BaseRepresentation
bin100000010100001…
…001011101010100
31101210011012110102
4200110021131110
52102242340112
6125444113232
716302135425
oct4024113524
91353135412
10542152532
11259038249
12131695818
138842361c
145200964c
15328e2bc2
hex20509754

542152532 has 12 divisors (see below), whose sum is σ = 948929940. Its totient is φ = 271029696.

The previous prime is 542152519. The next prime is 542152537. The reversal of 542152532 is 235251245.

It can be written as a sum of positive squares in 2 ways, for example, as 137499076 + 404653456 = 11726^2 + 20116^2 .

It is a super-2 number, since 2×5421525322 = 587858735908022048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542152495 and 542152504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542152537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40094 + ... + 51882.

It is an arithmetic number, because the mean of its divisors is an integer number (79077495).

Almost surely, 2542152532 is an apocalyptic number.

It is an amenable number.

542152532 is a deficient number, since it is larger than the sum of its proper divisors (406777408).

542152532 is a wasteful number, since it uses less digits than its factorization.

542152532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23290 (or 23288 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 542152532 is about 23284.1691284014. The cubic root of 542152532 is about 815.4058635653.

The spelling of 542152532 in words is "five hundred forty-two million, one hundred fifty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 11497 11789 22994 23578 45988 47156 135538133 271076266 542152532