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142717014 = 23211720793
BaseRepresentation
bin10001000000110…
…11000001010110
3100221112202221100
420200123001112
5243013421024
622054530530
73352034406
oct1040330126
9327482840
10142717014
1173618450
123b966a46
132374bc4b
1414d50806
15c7e17c9
hex881b056

142717014 has 24 divisors (see below), whose sum is σ = 337331592. Its totient is φ = 43247520.

The previous prime is 142716991. The next prime is 142717019. The reversal of 142717014 is 410717241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142717019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360199 + ... + 360594.

It is an arithmetic number, because the mean of its divisors is an integer number (14055483).

Almost surely, 2142717014 is an apocalyptic number.

142717014 is an abundant number, since it is smaller than the sum of its proper divisors (194614578).

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

142717014 is a wasteful number, since it uses less digits than its factorization.

142717014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720812 (or 720809 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 142717014 is about 11946.4226444572. The cubic root of 142717014 is about 522.5869778817.

The spelling of 142717014 in words is "one hundred forty-two million, seven hundred seventeen thousand, fourteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 720793 1441586 2162379 4324758 6487137 7928723 12974274 15857446 23786169 47572338 71358507 142717014