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142856956 = 221122341313
BaseRepresentation
bin10001000001111…
…01001011111100
3100221210212220101
420200331023330
5243032410311
622101530444
73353156404
oct1040751374
9327725811
10142856956
1173703600
123ba13a24
132379a858
1414d89804
15c81cec1
hex883d2fc

142856956 has 72 divisors (see below), whose sum is σ = 294672672. Its totient is φ = 60403200.

The previous prime is 142856951. The next prime is 142856957. The reversal of 142856956 is 659658241.

142856956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142856951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456256 + ... + 456568.

It is an arithmetic number, because the mean of its divisors is an integer number (4092676).

Almost surely, 2142856956 is an apocalyptic number.

It is an amenable number.

142856956 is an abundant number, since it is smaller than the sum of its proper divisors (151815716).

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

142856956 is a wasteful number, since it uses less digits than its factorization.

142856956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 390 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 142856956 is about 11952.2782765463. The cubic root of 142856956 is about 522.7577306521.

The spelling of 142856956 in words is "one hundred forty-two million, eight hundred fifty-six thousand, nine hundred fifty-six".

Divisors: 1 2 4 11 22 23 41 44 46 82 92 121 164 242 253 313 451 484 506 626 902 943 1012 1252 1804 1886 2783 3443 3772 4961 5566 6886 7199 9922 10373 11132 12833 13772 14398 19844 20746 25666 28796 37873 41492 51332 75746 79189 114103 141163 151492 158378 228206 282326 295159 316756 456412 564652 590318 871079 1180636 1552793 1742158 3105586 3246749 3484316 6211172 6493498 12986996 35714239 71428478 142856956