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142514051 = 419340129
BaseRepresentation
bin10000111111010…
…01011110000011
3100221011110112012
420133221132003
5242440422201
622050323135
73350230601
oct1037513603
9327143465
10142514051
1173499a09
123b8894ab
13236aa754
1414cda871
15c7a15bb
hex87e9783

142514051 has 4 divisors (see below), whose sum is σ = 142854600. Its totient is φ = 142173504.

The previous prime is 142514023. The next prime is 142514063. The reversal of 142514051 is 150415241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142514051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142514851) 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, 169646 + ... + 170483.

It is an arithmetic number, because the mean of its divisors is an integer number (35713650).

Almost surely, 2142514051 is an apocalyptic number.

142514051 is a deficient number, since it is larger than the sum of its proper divisors (340549).

142514051 is an equidigital number, since it uses as much as digits as its factorization.

142514051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340548.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 142514051 is about 11937.9249034328. The cubic root of 142514051 is about 522.3391304397.

Adding to 142514051 its reverse (150415241), we get a palindrome (292929292).

The spelling of 142514051 in words is "one hundred forty-two million, five hundred fourteen thousand, fifty-one".

Divisors: 1 419 340129 142514051