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512893542 = 23712211751
BaseRepresentation
bin11110100100100…
…010001001100110
31022202002200200010
4132210202021212
52022300043132
6122521031050
715465344310
oct3644421146
91282080603
10512893542
11243573567
12123925486
138234aa05
144c1907b0
15300636cc
hex1e922266

512893542 has 16 divisors (see below), whose sum is σ = 1172328192. Its totient is φ = 146541000.

The previous prime is 512893531. The next prime is 512893567. The reversal of 512893542 is 245398215.

It is a self number, because there is not a number n which added to its sum of digits gives 512893542.

It is a congruent number.

It is an unprimeable number.

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, 6105834 + ... + 6105917.

It is an arithmetic number, because the mean of its divisors is an integer number (73270512).

Almost surely, 2512893542 is an apocalyptic number.

512893542 is an abundant number, since it is smaller than the sum of its proper divisors (659434650).

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

512893542 is a wasteful number, since it uses less digits than its factorization.

512893542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211763.

The product of its digits is 86400, while the sum is 39.

The square root of 512893542 is about 22647.1530661141. The cubic root of 512893542 is about 800.4651159898.

The spelling of 512893542 in words is "five hundred twelve million, eight hundred ninety-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 12211751 24423502 36635253 73270506 85482257 170964514 256446771 512893542