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142993059 = 3118635021
BaseRepresentation
bin10001000010111…
…10011010100011
3100222001210121020
420201132122203
5243101234214
622104500523
73354264246
oct1041363243
9328053536
10142993059
1173796890
123ba7a743
13238177a1
1414dc325d
15c8484a9
hex885e6a3

142993059 has 16 divisors (see below), whose sum is σ = 208272384. Its totient is φ = 86544800.

The previous prime is 142993051. The next prime is 142993061. The reversal of 142993059 is 950399241.

It is a cyclic number.

It is not a de Polignac number, because 142993059 - 23 = 142993051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142993059.

It is not an unprimeable number, because it can be changed into a prime (142993051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25969 + ... + 30989.

It is an arithmetic number, because the mean of its divisors is an integer number (13017024).

Almost surely, 2142993059 is an apocalyptic number.

142993059 is a deficient number, since it is larger than the sum of its proper divisors (65279325).

142993059 is a wasteful number, since it uses less digits than its factorization.

142993059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 142993059 is about 11957.9705217901. The cubic root of 142993059 is about 522.9236922646.

The spelling of 142993059 in words is "one hundred forty-two million, nine hundred ninety-three thousand, fifty-nine".

Divisors: 1 3 11 33 863 2589 5021 9493 15063 28479 55231 165693 4333123 12999369 47664353 142993059