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142704752 = 2411637669
BaseRepresentation
bin10001000000110…
…00000001110000
3100221112011010012
420200120001300
5243013023002
622054354052
73351653561
oct1040300160
9327464105
10142704752
117360a213
123b95b928
13237464a8
1414d4a168
15c7dcd52
hex8818070

142704752 has 20 divisors (see below), whose sum is σ = 276764280. Its totient is φ = 71281728.

The previous prime is 142704743. The next prime is 142704787. The reversal of 142704752 is 257407241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14774 + ... + 22442.

It is an arithmetic number, because the mean of its divisors is an integer number (13838214).

Almost surely, 2142704752 is an apocalyptic number.

It is an amenable number.

142704752 is a deficient number, since it is larger than the sum of its proper divisors (134059528).

142704752 is a wasteful number, since it uses less digits than its factorization.

142704752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840 (or 8834 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 142704752 is about 11945.9094254058. The cubic root of 142704752 is about 522.5720108621.

The spelling of 142704752 in words is "one hundred forty-two million, seven hundred four thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 1163 2326 4652 7669 9304 15338 18608 30676 61352 122704 8919047 17838094 35676188 71352376 142704752