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142553968 = 2442121163
BaseRepresentation
bin10000111111100…
…11001101110000
3100221020111021121
420133303031300
5242443211333
622051232024
73350455144
oct1037631560
9327214247
10142553968
11735169a7
123b8a8614
13236c297b
1414d0b224
15c7ad32d
hex87f3370

142553968 has 20 divisors (see below), whose sum is σ = 276867448. Its totient is φ = 71104320.

The previous prime is 142553963. The next prime is 142553969. The reversal of 142553968 is 869355241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142553963) 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, 3846 + ... + 17317.

Almost surely, 2142553968 is an apocalyptic number.

It is an amenable number.

142553968 is a deficient number, since it is larger than the sum of its proper divisors (134313480).

142553968 is a wasteful number, since it uses less digits than its factorization.

142553968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21592 (or 21586 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 142553968 is about 11939.5966431031. The cubic root of 142553968 is about 522.3878935022.

The spelling of 142553968 in words is "one hundred forty-two million, five hundred fifty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 421 842 1684 3368 6736 21163 42326 84652 169304 338608 8909623 17819246 35638492 71276984 142553968