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142056583 = 1571814999
BaseRepresentation
bin10000111011110…
…01110010000111
3100220022012222221
420131321302013
5242331302313
622032433211
73343314064
oct1035716207
9326265887
10142056583
1173207239
123b6a8807
132357a466
1414c1bc6b
15c710c8d
hex8779c87

142056583 has 8 divisors (see below), whose sum is σ = 143780000. Its totient is φ = 140343840.

The previous prime is 142056571. The next prime is 142056643. The reversal of 142056583 is 385650241.

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

It is a cyclic number.

It is not a de Polignac number, because 142056583 - 29 = 142056071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142056553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25918 + ... + 30916.

It is an arithmetic number, because the mean of its divisors is an integer number (17972500).

Almost surely, 2142056583 is an apocalyptic number.

142056583 is a deficient number, since it is larger than the sum of its proper divisors (1723417).

142056583 is a wasteful number, since it uses less digits than its factorization.

142056583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 142056583 is about 11918.7492212900. The cubic root of 142056583 is about 521.7796310510.

The spelling of 142056583 in words is "one hundred forty-two million, fifty-six thousand, five hundred eighty-three".

Divisors: 1 157 181 4999 28417 784843 904819 142056583