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140162057 = 767298853
BaseRepresentation
bin10000101101010…
…11010000001001
3100202201222012022
420112223100021
5241340141212
621524054225
73321233510
oct1026532011
9322658168
10140162057
1172132912
123ab34375
1323066039
1414887677
15c489772
hex85ab409

140162057 has 8 divisors (see below), whose sum is σ = 162576576. Its totient is φ = 118345392.

The previous prime is 140162053. The next prime is 140162081. The reversal of 140162057 is 750261041.

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 140162057 - 22 = 140162053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140162053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148958 + ... + 149895.

It is an arithmetic number, because the mean of its divisors is an integer number (20322072).

Almost surely, 2140162057 is an apocalyptic number.

It is an amenable number.

140162057 is a deficient number, since it is larger than the sum of its proper divisors (22414519).

140162057 is an equidigital number, since it uses as much as digits as its factorization.

140162057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298927.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 140162057 is about 11839.0057437270. The cubic root of 140162057 is about 519.4496853137.

The spelling of 140162057 in words is "one hundred forty million, one hundred sixty-two thousand, fifty-seven".

Divisors: 1 7 67 469 298853 2091971 20023151 140162057