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142860232 = 2341274327
BaseRepresentation
bin10001000001111…
…01111111001000
3100221211001101201
420200331333020
5243033011412
622101553544
73353202064
oct1040757710
9327731351
10142860232
1173706009
123ba158b4
132379c1a8
1414d8aaa4
15c81de57
hex883dfc8

142860232 has 16 divisors (see below), whose sum is σ = 267989760. Its totient is φ = 71396304.

The previous prime is 142860229. The next prime is 142860239. The reversal of 142860232 is 232068241.

142860232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142860232.

It is not an unprimeable number, because it can be changed into a prime (142860239) 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, 30853 + ... + 35179.

It is an arithmetic number, because the mean of its divisors is an integer number (16749360).

Almost surely, 2142860232 is an apocalyptic number.

It is an amenable number.

142860232 is a deficient number, since it is larger than the sum of its proper divisors (125129528).

142860232 is a wasteful number, since it uses less digits than its factorization.

142860232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460 (or 8456 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 142860232 is about 11952.4153207626. The cubic root of 142860232 is about 522.7617265869.

The spelling of 142860232 in words is "one hundred forty-two million, eight hundred sixty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 4127 4327 8254 8654 16508 17308 33016 34616 17857529 35715058 71430116 142860232