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142162193 is a prime number
BaseRepresentation
bin10000111100100…
…11100100010001
3100220111120212102
420132103210101
5242343142233
622035010145
73344234015
oct1036234421
9326446772
10142162193
1173279618
123b739955
13235b6554
1414c48545
15c7321e8
hex8793911

142162193 has 2 divisors, whose sum is σ = 142162194. Its totient is φ = 142162192.

The previous prime is 142162157. The next prime is 142162213. The reversal of 142162193 is 391261241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131515024 + 10647169 = 11468^2 + 3263^2 .

It is a cyclic number.

It is not a de Polignac number, because 142162193 - 224 = 125384977 is a prime.

It is not a weakly prime, because it can be changed into another prime (142162393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71081096 + 71081097.

It is an arithmetic number, because the mean of its divisors is an integer number (71081097).

Almost surely, 2142162193 is an apocalyptic number.

It is an amenable number.

142162193 is a deficient number, since it is larger than the sum of its proper divisors (1).

142162193 is an equidigital number, since it uses as much as digits as its factorization.

142162193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 142162193 is about 11923.1788127160. The cubic root of 142162193 is about 521.9089023023.

The spelling of 142162193 in words is "one hundred forty-two million, one hundred sixty-two thousand, one hundred ninety-three".