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142260907 = 601236707
BaseRepresentation
bin10000111101010…
…11101010101011
3100220200121021111
420132223222223
5242404322112
622041051151
73345124555
oct1036535253
9326617244
10142260907
11733367a8
123b786ab7
132361c469
1414c724d5
15c7515a7
hex87abaab

142260907 has 4 divisors (see below), whose sum is σ = 142498216. Its totient is φ = 142023600.

The previous prime is 142260889. The next prime is 142260929. The reversal of 142260907 is 709062241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709062241 = 4117294201.

It is a cyclic number.

It is not a de Polignac number, because 142260907 - 211 = 142258859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142260007) 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, 117753 + ... + 118954.

It is an arithmetic number, because the mean of its divisors is an integer number (35624554).

Almost surely, 2142260907 is an apocalyptic number.

142260907 is a deficient number, since it is larger than the sum of its proper divisors (237309).

142260907 is an equidigital number, since it uses as much as digits as its factorization.

142260907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237308.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 142260907 is about 11927.3176783382. The cubic root of 142260907 is about 522.0296746732.

The spelling of 142260907 in words is "one hundred forty-two million, two hundred sixty thousand, nine hundred seven".

Divisors: 1 601 236707 142260907