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142251413 = 255155763
BaseRepresentation
bin10000111101010…
…01010110010101
3100220200010020212
420132221112111
5242404021123
622040535205
73345055103
oct1036512625
9326603225
10142251413
117332a657
123b781505
1323618045
1414c6cc73
15c74d878
hex87a9595

142251413 has 4 divisors (see below), whose sum is σ = 142309728. Its totient is φ = 142193100.

The previous prime is 142251401. The next prime is 142251433. The reversal of 142251413 is 314152241.

142251413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142251413 - 212 = 142247317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142251433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25331 + ... + 30432.

It is an arithmetic number, because the mean of its divisors is an integer number (35577432).

Almost surely, 2142251413 is an apocalyptic number.

It is an amenable number.

142251413 is a deficient number, since it is larger than the sum of its proper divisors (58315).

142251413 is an equidigital number, since it uses as much as digits as its factorization.

142251413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58314.

The product of its digits is 960, while the sum is 23.

The square root of 142251413 is about 11926.9196777710. The cubic root of 142251413 is about 522.0180615977.

The spelling of 142251413 in words is "one hundred forty-two million, two hundred fifty-one thousand, four hundred thirteen".

Divisors: 1 2551 55763 142251413