Search a number
-
+
142254254 = 2193743533
BaseRepresentation
bin10000111101010…
…10000010101110
3100220200021011002
420132222002232
5242404114004
622041000302
73345066302
oct1036520256
9326607132
10142254254
11733317aa
123b783092
132361941c
1414c6dd02
15c74e61e
hex87aa0ae

142254254 has 8 divisors (see below), whose sum is σ = 224612040. Its totient is φ = 67383576.

The previous prime is 142254223. The next prime is 142254263. The reversal of 142254254 is 452452241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871729 + ... + 1871804.

It is an arithmetic number, because the mean of its divisors is an integer number (28076505).

Almost surely, 2142254254 is an apocalyptic number.

142254254 is a deficient number, since it is larger than the sum of its proper divisors (82357786).

142254254 is a wasteful number, since it uses less digits than its factorization.

142254254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743554.

The product of its digits is 12800, while the sum is 29.

The square root of 142254254 is about 11927.0387775005. The cubic root of 142254254 is about 522.0215367675.

The spelling of 142254254 in words is "one hundred forty-two million, two hundred fifty-four thousand, two hundred fifty-four".

Divisors: 1 2 19 38 3743533 7487066 71127127 142254254