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142499862 = 2327916659
BaseRepresentation
bin10000111111001…
…10000000010110
3100221010202001200
420133212000112
5242434443422
622050133330
73350141331
oct1037460026
9327122050
10142499862
117348a28a
123b881246
13236a415b
1414cd5618
15c79c2ac
hex87e6016

142499862 has 12 divisors (see below), whose sum is σ = 308749740. Its totient is φ = 47499948.

The previous prime is 142499849. The next prime is 142499873. The reversal of 142499862 is 268994241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3958312 + ... + 3958347.

It is an arithmetic number, because the mean of its divisors is an integer number (25729145).

Almost surely, 2142499862 is an apocalyptic number.

142499862 is an abundant number, since it is smaller than the sum of its proper divisors (166249878).

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

142499862 is a wasteful number, since it uses less digits than its factorization.

142499862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916667 (or 7916664 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 142499862 is about 11937.3306061280. The cubic root of 142499862 is about 522.3217948019.

The spelling of 142499862 in words is "one hundred forty-two million, four hundred ninety-nine thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 9 18 7916659 15833318 23749977 47499954 71249931 142499862