Search a number
-
+
142613761 = 1271736491
BaseRepresentation
bin10001000000000…
…01110100000001
3100221100112022011
420200001310001
5243002120021
622052412521
73351124363
oct1040016401
9327315264
10142613761
1173557914
123b917141
1323713c54
1414d24d33
15c7c0de1
hex8801d01

142613761 has 8 divisors (see below), whose sum is σ = 144589824. Its totient is φ = 140651280.

The previous prime is 142613759. The next prime is 142613771. The reversal of 142613761 is 167316241.

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

It is a cyclic number.

It is not a de Polignac number, because 142613761 - 21 = 142613759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142613741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18726 + ... + 25216.

It is an arithmetic number, because the mean of its divisors is an integer number (18073728).

Almost surely, 2142613761 is an apocalyptic number.

It is an amenable number.

142613761 is a deficient number, since it is larger than the sum of its proper divisors (1976063).

142613761 is a wasteful number, since it uses less digits than its factorization.

142613761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791.

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

The square root of 142613761 is about 11942.1003596520. The cubic root of 142613761 is about 522.4609202856.

The spelling of 142613761 in words is "one hundred forty-two million, six hundred thirteen thousand, seven hundred sixty-one".

Divisors: 1 127 173 6491 21971 824357 1122943 142613761