Search a number
-
+
142952613 = 32319110847
BaseRepresentation
bin10001000010101…
…00100010100101
3100221222202010020
420201110202211
5243043440423
622103545353
73354035316
oct1041244245
9327882106
10142952613
1173769461
123ba5b259
132380225b
1414db260d
15c83b4e3
hex88548a5

142952613 has 16 divisors (see below), whose sum is σ = 199950336. Its totient is φ = 90672560.

The previous prime is 142952587. The next prime is 142952627. The reversal of 142952613 is 316259241.

It is a cyclic number.

It is not a de Polignac number, because 142952613 - 25 = 142952581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142952653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7756 + ... + 18602.

It is an arithmetic number, because the mean of its divisors is an integer number (12496896).

Almost surely, 2142952613 is an apocalyptic number.

It is an amenable number.

142952613 is a deficient number, since it is larger than the sum of its proper divisors (56997723).

142952613 is a wasteful number, since it uses less digits than its factorization.

142952613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064.

The product of its digits is 12960, while the sum is 33.

The square root of 142952613 is about 11956.2792289240. The cubic root of 142952613 is about 522.8743841228.

The spelling of 142952613 in words is "one hundred forty-two million, nine hundred fifty-two thousand, six hundred thirteen".

Divisors: 1 3 23 69 191 573 4393 10847 13179 32541 249481 748443 2071777 6215331 47650871 142952613