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142604697 = 3377317599
BaseRepresentation
bin10000111111111…
…11100110011001
3100221100001212110
420133333212121
5243001322242
622052302533
73351056064
oct1037774631
9327301773
10142604697
1173551024
123b911a49
132370caa1
1414d218db
15c7bd39c
hex87ff999

142604697 has 16 divisors (see below), whose sum is σ = 197964800. Its totient is φ = 91228032.

The previous prime is 142604659. The next prime is 142604699. The reversal of 142604697 is 796406241.

It is a happy number.

It is not a de Polignac number, because 142604697 - 210 = 142603673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142604699) 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, 697 + ... + 16902.

It is an arithmetic number, because the mean of its divisors is an integer number (12372800).

Almost surely, 2142604697 is an apocalyptic number.

It is an amenable number.

142604697 is a deficient number, since it is larger than the sum of its proper divisors (55360103).

142604697 is a wasteful number, since it uses less digits than its factorization.

142604697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17712.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 142604697 is about 11941.7208558901. The cubic root of 142604697 is about 522.4498514937.

The spelling of 142604697 in words is "one hundred forty-two million, six hundred four thousand, six hundred ninety-seven".

Divisors: 1 3 37 73 111 219 2701 8103 17599 52797 651163 1284727 1953489 3854181 47534899 142604697