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143489924 = 2258516131
BaseRepresentation
bin10001000110101…
…11101110000100
3101000000001011122
420203113232010
5243213134144
622123253112
73361433654
oct1043275604
9330001148
10143489924
1173aa6116
124007a198
132395c9a6
14150b2364
15c8e57ee
hex88d7b84

143489924 has 12 divisors (see below), whose sum is σ = 251191248. Its totient is φ = 71721000.

The previous prime is 143489909. The next prime is 143489963. The reversal of 143489924 is 429984341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20339 + ... + 26469.

It is an arithmetic number, because the mean of its divisors is an integer number (20932604).

Almost surely, 2143489924 is an apocalyptic number.

It is an amenable number.

143489924 is a deficient number, since it is larger than the sum of its proper divisors (107701324).

143489924 is a wasteful number, since it uses less digits than its factorization.

143489924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11986 (or 11984 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 143489924 is about 11978.7279792138. The cubic root of 143489924 is about 523.5286682974.

The spelling of 143489924 in words is "one hundred forty-three million, four hundred eighty-nine thousand, nine hundred twenty-four".

Divisors: 1 2 4 5851 6131 11702 12262 23404 24524 35872481 71744962 143489924