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142905050 = 2522858101
BaseRepresentation
bin10001000010010…
…00111011011010
3100221220022212122
420201020323122
5243040430200
622102541242
73353446541
oct1041107332
9327808778
10142905050
1173736752
123ba37822
13237b6702
1414d9d158
15c82c385
hex8848eda

142905050 has 12 divisors (see below), whose sum is σ = 265803486. Its totient is φ = 57162000.

The previous prime is 142905017. The next prime is 142905067. The reversal of 142905050 is 50509241.

It can be written as a sum of positive squares in 3 ways, for example, as 74528689 + 68376361 = 8633^2 + 8269^2 .

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, 1429001 + ... + 1429100.

Almost surely, 2142905050 is an apocalyptic number.

142905050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142905050 is a deficient number, since it is larger than the sum of its proper divisors (122898436).

142905050 is a wasteful number, since it uses less digits than its factorization.

142905050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858113 (or 2858108 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 142905050 is about 11954.2900249241. The cubic root of 142905050 is about 522.8163876709.

The spelling of 142905050 in words is "one hundred forty-two million, nine hundred five thousand, fifty".

Divisors: 1 2 5 10 25 50 2858101 5716202 14290505 28581010 71452525 142905050