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542852865 = 325711311297
BaseRepresentation
bin100000010110110…
…100011100000001
31101211110210010200
4200112310130001
52102432242430
6125511115413
716311113262
oct4026643401
91354423120
10542852865
11259476435
12131972b69
138860a319
145214c969
15329d0460
hex205b4701

542852865 has 48 divisors (see below), whose sum is σ = 962222976. Its totient is φ = 283046400.

The previous prime is 542852813. The next prime is 542852879. The reversal of 542852865 is 568258245.

It is a happy number.

542852865 is a `hidden beast` number, since 542 + 85 + 28 + 6 + 5 = 666.

It is not a de Polignac number, because 542852865 - 29 = 542852353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 542852865.

It is an unprimeable number.

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

It is an upside-down number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417897 + ... + 419193.

It is an arithmetic number, because the mean of its divisors is an integer number (20046312).

Almost surely, 2542852865 is an apocalyptic number.

It is an amenable number.

542852865 is a deficient number, since it is larger than the sum of its proper divisors (419370111).

542852865 is a wasteful number, since it uses less digits than its factorization.

542852865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1507 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 542852865 is about 23299.2030979602. The cubic root of 542852865 is about 815.7568164107.

The spelling of 542852865 in words is "five hundred forty-two million, eight hundred fifty-two thousand, eight hundred sixty-five".

Divisors: 1 3 5 9 15 45 71 131 213 355 393 639 655 1065 1179 1297 1965 3195 3891 5895 6485 9301 11673 19455 27903 46505 58365 83709 92087 139515 169907 276261 418545 460435 509721 828783 849535 1381305 1529163 2548605 4143915 7645815 12063397 36190191 60316985 108570573 180950955 542852865