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142525051 = 337422923
BaseRepresentation
bin10000111111011…
…00001001111011
3100221012000121121
420133230021323
5242441300201
622050450111
73350304634
oct1037541173
9327160547
10142525051
11734a71a9
123b893937
13236b2766
1414d0088b
15c7a49a1
hex87ec27b

142525051 has 4 divisors (see below), whose sum is σ = 142948312. Its totient is φ = 142101792.

The previous prime is 142525049. The next prime is 142525063. The reversal of 142525051 is 150525241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142525051 - 21 = 142525049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142525001) 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, 211125 + ... + 211798.

It is an arithmetic number, because the mean of its divisors is an integer number (35737078).

Almost surely, 2142525051 is an apocalyptic number.

142525051 is a deficient number, since it is larger than the sum of its proper divisors (423261).

142525051 is an equidigital number, since it uses as much as digits as its factorization.

142525051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423260.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 142525051 is about 11938.3856111285. The cubic root of 142525051 is about 522.3525690739.

The spelling of 142525051 in words is "one hundred forty-two million, five hundred twenty-five thousand, fifty-one".

Divisors: 1 337 422923 142525051