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142885036 = 2275103037
BaseRepresentation
bin10001000010001…
…00000010101100
3100221212022102101
420201010002230
5243034310121
622102304444
73353334310
oct1041040254
9327768371
10142885036
1173722708
123ba28124
13237aa578
1414d95b40
15c826491
hex88440ac

142885036 has 12 divisors (see below), whose sum is σ = 285770128. Its totient is φ = 61236432.

The previous prime is 142885031. The next prime is 142885037. The reversal of 142885036 is 630588241.

It is a happy number.

142885036 is an admirable number.

It is a super-2 number, since 2×1428850362 = 40832267025442592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142884986 and 142885004.

It is not an unprimeable number, because it can be changed into a prime (142885031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551491 + ... + 2551546.

Almost surely, 2142885036 is an apocalyptic number.

It is an amenable number.

142885036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142885036 is a wasteful number, since it uses less digits than its factorization.

142885036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103048 (or 5103046 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 142885036 is about 11953.4528902740. The cubic root of 142885036 is about 522.7919795396.

The spelling of 142885036 in words is "one hundred forty-two million, eight hundred eighty-five thousand, thirty-six".

Divisors: 1 2 4 7 14 28 5103037 10206074 20412148 35721259 71442518 142885036