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142570844 = 22132994543
BaseRepresentation
bin10000111111101…
…11010101011100
3100221021100102122
420133313111130
5242444231334
622051442112
73350555303
oct1037672534
9327240378
10142570844
1173528649
123b8b6338
13236ca560
1414d1343a
15c7b332e
hex87f755c

142570844 has 24 divisors (see below), whose sum is σ = 277959360. Its totient is φ = 63532224.

The previous prime is 142570811. The next prime is 142570853. The reversal of 142570844 is 448075241.

142570844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45764 + ... + 48779.

It is an arithmetic number, because the mean of its divisors is an integer number (11581640).

Almost surely, 2142570844 is an apocalyptic number.

It is an amenable number.

142570844 is a deficient number, since it is larger than the sum of its proper divisors (135388516).

142570844 is a wasteful number, since it uses less digits than its factorization.

142570844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94589 (or 94587 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 142570844 is about 11940.3033462304. The cubic root of 142570844 is about 522.4085066785.

The spelling of 142570844 in words is "one hundred forty-two million, five hundred seventy thousand, eight hundred forty-four".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 94543 189086 378172 1229059 2458118 2741747 4916236 5483494 10966988 35642711 71285422 142570844