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142479295 = 5717239461
BaseRepresentation
bin10000111111000…
…00111110111111
3100221002200211221
420133200332333
5242433314140
622045454211
73350024350
oct1037407677
9327080757
10142479295
1173475892
123b871367
132369799a
1414ccbd27
15c79614a
hex87e0fbf

142479295 has 16 divisors (see below), whose sum is σ = 206895168. Its totient is φ = 91952640.

The previous prime is 142479269. The next prime is 142479301. The reversal of 142479295 is 592974241.

It is not a de Polignac number, because 142479295 - 25 = 142479263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119136 + ... + 120325.

It is an arithmetic number, because the mean of its divisors is an integer number (12930948).

Almost surely, 2142479295 is an apocalyptic number.

142479295 is a deficient number, since it is larger than the sum of its proper divisors (64415873).

142479295 is a wasteful number, since it uses less digits than its factorization.

142479295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239490.

The product of its digits is 181440, while the sum is 43.

The square root of 142479295 is about 11936.4691177919. The cubic root of 142479295 is about 522.2966646975.

The spelling of 142479295 in words is "one hundred forty-two million, four hundred seventy-nine thousand, two hundred ninety-five".

Divisors: 1 5 7 17 35 85 119 595 239461 1197305 1676227 4070837 8381135 20354185 28495859 142479295