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142863694 = 2149947653
BaseRepresentation
bin10001000001111…
…10110101001110
3100221211020010221
420200332311032
5243033114234
622102021554
73353215141
oct1040766516
9327736127
10142863694
1173708676
123ba178ba
13237a093c
1414d8c058
15c81eeb4
hex883ed4e

142863694 has 8 divisors (see below), whose sum is σ = 214443000. Its totient is φ = 71382696.

The previous prime is 142863683. The next prime is 142863703. The reversal of 142863694 is 496368241.

It is a happy number.

142863694 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142863694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20829 + ... + 26824.

It is an arithmetic number, because the mean of its divisors is an integer number (26805375).

Almost surely, 2142863694 is an apocalyptic number.

142863694 is a deficient number, since it is larger than the sum of its proper divisors (71579306).

142863694 is a wasteful number, since it uses less digits than its factorization.

142863694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49154.

The product of its digits is 248832, while the sum is 43.

The square root of 142863694 is about 11952.5601441700. The cubic root of 142863694 is about 522.7659493307.

The spelling of 142863694 in words is "one hundred forty-two million, eight hundred sixty-three thousand, six hundred ninety-four".

Divisors: 1 2 1499 2998 47653 95306 71431847 142863694