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142164635 = 5148719121
BaseRepresentation
bin10000111100101…
…00001010011011
3100220111201012212
420132110022123
5242343232020
622035025335
73344244104
oct1036241233
9326451185
10142164635
1173280438
123b73b24b
13235b76b2
1414c493ab
15c732cc5
hex879429b

142164635 has 8 divisors (see below), whose sum is σ = 170721216. Its totient is φ = 113649280.

The previous prime is 142164577. The next prime is 142164637. The reversal of 142164635 is 536461241.

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

It is not a de Polignac number, because 142164635 - 218 = 141902491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142164637) 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 7 ways as a sum of consecutive naturals, for example, 2126 + ... + 16995.

It is an arithmetic number, because the mean of its divisors is an integer number (21340152).

Almost surely, 2142164635 is an apocalyptic number.

142164635 is a deficient number, since it is larger than the sum of its proper divisors (28556581).

142164635 is a wasteful number, since it uses less digits than its factorization.

142164635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20613.

The product of its digits is 17280, while the sum is 32.

The square root of 142164635 is about 11923.2812178527. The cubic root of 142164635 is about 521.9118906595.

The spelling of 142164635 in words is "one hundred forty-two million, one hundred sixty-four thousand, six hundred thirty-five".

Divisors: 1 5 1487 7435 19121 95605 28432927 142164635