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142968752 = 2426893323
BaseRepresentation
bin10001000010110…
…00011110110000
3100222000120020222
420201120132300
5243100000002
622104152212
73354133343
oct1041303660
9328016228
10142968752
117377a5a3
123ba68668
13238096c4
1414db845a
15c8411a2
hex88587b0

142968752 has 20 divisors (see below), whose sum is σ = 277188360. Its totient is φ = 71436288.

The previous prime is 142968751. The next prime is 142968769. The reversal of 142968752 is 257869241.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142968751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41363 + ... + 44685.

It is an arithmetic number, because the mean of its divisors is an integer number (13859418).

Almost surely, 2142968752 is an apocalyptic number.

It is an amenable number.

142968752 is a deficient number, since it is larger than the sum of its proper divisors (134219608).

142968752 is a wasteful number, since it uses less digits than its factorization.

142968752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020 (or 6014 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 142968752 is about 11956.9541272015. The cubic root of 142968752 is about 522.8940604616.

The spelling of 142968752 in words is "one hundred forty-two million, nine hundred sixty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 2689 3323 5378 6646 10756 13292 21512 26584 43024 53168 8935547 17871094 35742188 71484376 142968752