Search a number
-
+
142800856 = 23118918233
BaseRepresentation
bin10001000001011…
…11011111011000
3100221201000221121
420200233133120
5243024111411
622100415024
73352534012
oct1040573730
9327630847
10142800856
1173675440
123b9a7474
132377b163
1414d731b2
15c80b571
hex882f7d8

142800856 has 32 divisors (see below), whose sum is σ = 295390800. Its totient is φ = 64176640.

The previous prime is 142800841. The next prime is 142800857. The reversal of 142800856 is 658008241.

142800856 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142800857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285 + ... + 16948.

Almost surely, 2142800856 is an apocalyptic number.

It is an amenable number.

142800856 is an abundant number, since it is smaller than the sum of its proper divisors (152589944).

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

142800856 is a wasteful number, since it uses less digits than its factorization.

142800856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18339 (or 18335 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 142800856 is about 11949.9312131911. The cubic root of 142800856 is about 522.6892926164.

The spelling of 142800856 in words is "one hundred forty-two million, eight hundred thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 89 178 356 712 979 1958 3916 7832 18233 36466 72932 145864 200563 401126 802252 1604504 1622737 3245474 6490948 12981896 17850107 35700214 71400428 142800856