Search a number
-
+
142498312 = 23112147209
BaseRepresentation
bin10000111111001…
…01101000001000
3100221010122221021
420133211220020
5242434421222
622050122224
73350133655
oct1037455010
9327118837
10142498312
1173489100
123b880374
13236a3538
1414cd4c2c
15c79bac7
hex87e5a08

142498312 has 24 divisors (see below), whose sum is σ = 293683950. Its totient is φ = 64771520.

The previous prime is 142498303. The next prime is 142498361. The reversal of 142498312 is 213894241.

It can be written as a sum of positive squares in only one way, i.e., 90744676 + 51753636 = 9526^2 + 7194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72637 + ... + 74572.

Almost surely, 2142498312 is an apocalyptic number.

It is an amenable number.

142498312 is an abundant number, since it is smaller than the sum of its proper divisors (151185638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142498312 is a wasteful number, since it uses less digits than its factorization.

142498312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147237 (or 147222 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 142498312 is about 11937.2656835642. The cubic root of 142498312 is about 522.3199009949.

The spelling of 142498312 in words is "one hundred forty-two million, four hundred ninety-eight thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 147209 294418 588836 1177672 1619299 3238598 6477196 12954392 17812289 35624578 71249156 142498312