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163250093 = 433377021
BaseRepresentation
bin10011011101011…
…11111110101101
3102101011222000202
421232233332231
5313243000333
624111003245
74021413536
oct1156577655
9371158022
10163250093
1184172236
1246809525
1327a8abb6
141797768d
15e4ea5e8
hex9baffad

163250093 has 4 divisors (see below), whose sum is σ = 163627548. Its totient is φ = 162872640.

The previous prime is 163250089. The next prime is 163250107. The reversal of 163250093 is 390052361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107702884 + 55547209 = 10378^2 + 7453^2 .

It is a cyclic number.

It is not a de Polignac number, because 163250093 - 22 = 163250089 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 (163250053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188078 + ... + 188943.

It is an arithmetic number, because the mean of its divisors is an integer number (40906887).

Almost surely, 2163250093 is an apocalyptic number.

It is an amenable number.

163250093 is a deficient number, since it is larger than the sum of its proper divisors (377455).

163250093 is an equidigital number, since it uses as much as digits as its factorization.

163250093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377454.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 163250093 is about 12776.9359785514. The cubic root of 163250093 is about 546.5347900129.

The spelling of 163250093 in words is "one hundred sixty-three million, two hundred fifty thousand, ninety-three".

Divisors: 1 433 377021 163250093