Search a number
-
+
142072635 = 3512777417
BaseRepresentation
bin10000111011111…
…01101100111011
3100220100001000110
420131331230323
5242332311020
622033035403
73343411635
oct1035755473
9326301013
10142072635
1173218301
123b6b5b63
1323584863
1414c23a55
15c7158e0
hex877db3b

142072635 has 16 divisors (see below), whose sum is σ = 227524896. Its totient is φ = 75702528.

The previous prime is 142072627. The next prime is 142072639. The reversal of 142072635 is 536270241.

It is not a de Polignac number, because 142072635 - 23 = 142072627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142072639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15447 + ... + 22863.

It is an arithmetic number, because the mean of its divisors is an integer number (14220306).

Almost surely, 2142072635 is an apocalyptic number.

142072635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142072635 is a deficient number, since it is larger than the sum of its proper divisors (85452261).

142072635 is a wasteful number, since it uses less digits than its factorization.

142072635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 142072635 is about 11919.4225950757. The cubic root of 142072635 is about 521.7992835279.

The spelling of 142072635 in words is "one hundred forty-two million, seventy-two thousand, six hundred thirty-five".

Divisors: 1 3 5 15 1277 3831 6385 7417 19155 22251 37085 111255 9471509 28414527 47357545 142072635