Search a number
-
+
142006568 = 23112146701
BaseRepresentation
bin10000111011011…
…01100100101000
3100220012200101112
420131231210220
5242323202233
622031405452
73343015214
oct1035554450
9326180345
10142006568
1173182700
123b683888
1323560772
1414c07944
15c701048
hex876d928

142006568 has 24 divisors (see below), whose sum is σ = 292670490. Its totient is φ = 64548000.

The previous prime is 142006547. The next prime is 142006583. The reversal of 142006568 is 865600241.

It can be written as a sum of positive squares in only one way, i.e., 106461124 + 35545444 = 10318^2 + 5962^2 .

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 5 ways as a sum of consecutive naturals, for example, 72383 + ... + 74318.

Almost surely, 2142006568 is an apocalyptic number.

It is an amenable number.

142006568 is an abundant number, since it is smaller than the sum of its proper divisors (150663922).

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

142006568 is a wasteful number, since it uses less digits than its factorization.

142006568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146729 (or 146714 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 142006568 is about 11916.6508717844. The cubic root of 142006568 is about 521.7183881504.

The spelling of 142006568 in words is "one hundred forty-two million, six thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 146701 293402 586804 1173608 1613711 3227422 6454844 12909688 17750821 35501642 71003284 142006568