Search a number
-
+
142613944 = 23111620613
BaseRepresentation
bin10001000000000…
…01110110111000
3100221100112112221
420200001312320
5243002121234
622052413424
73351125044
oct1040016670
9327315487
10142613944
1173557a70
123b917274
1323714065
1414d25024
15c7c0eb4
hex8801db8

142613944 has 16 divisors (see below), whose sum is σ = 291710520. Its totient is φ = 64824480.

The previous prime is 142613927. The next prime is 142613951. The reversal of 142613944 is 449316241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810219 + ... + 810394.

Almost surely, 2142613944 is an apocalyptic number.

It is an amenable number.

142613944 is an abundant number, since it is smaller than the sum of its proper divisors (149096576).

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

142613944 is a wasteful number, since it uses less digits than its factorization.

142613944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620630 (or 1620626 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 142613944 is about 11942.1080216183. The cubic root of 142613944 is about 522.4611437570.

The spelling of 142613944 in words is "one hundred forty-two million, six hundred thirteen thousand, nine hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 1620613 3241226 6482452 12964904 17826743 35653486 71306972 142613944