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142912156 = 22233594327
BaseRepresentation
bin10001000010010…
…10101010011100
3100221220200121211
420201022222130
5243041142111
622103034204
73353506342
oct1041125234
9327820554
10142912156
1173741022
123ba3b964
13237b9a0a
1414da1992
15c82e521
hex884aa9c

142912156 has 24 divisors (see below), whose sum is σ = 261757440. Its totient is φ = 68143152.

The previous prime is 142912153. The next prime is 142912171. The reversal of 142912156 is 651219241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142912153) 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 7 ways as a sum of consecutive naturals, for example, 30865 + ... + 35191.

It is an arithmetic number, because the mean of its divisors is an integer number (10906560).

Almost surely, 2142912156 is an apocalyptic number.

It is an amenable number.

142912156 is a deficient number, since it is larger than the sum of its proper divisors (118845284).

142912156 is a wasteful number, since it uses less digits than its factorization.

142912156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713 (or 4711 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 142912156 is about 11954.5872367054. The cubic root of 142912156 is about 522.8250532655.

The spelling of 142912156 in words is "one hundred forty-two million, nine hundred twelve thousand, one hundred fifty-six".

Divisors: 1 2 4 23 46 92 359 718 1436 4327 8257 8654 16514 17308 33028 99521 199042 398084 1553393 3106786 6213572 35728039 71456078 142912156