Search a number
-
+
168260093 = 195186243
BaseRepresentation
bin10100000011101…
…11000111111101
3102201121111110022
422001313013331
5321033310333
624410221525
74112121131
oct1201670775
9381544408
10168260093
1186a84331
12484248a5
1328b233b1
14184bd3c1
15eb89c98
hexa0771fd

168260093 has 4 divisors (see below), whose sum is σ = 168348288. Its totient is φ = 168171900.

The previous prime is 168260089. The next prime is 168260129. The reversal of 168260093 is 390062861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168260093 - 22 = 168260089 is a prime.

It is a super-2 number, since 2×1682600932 = 56622917792737298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168260003) 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, 41171 + ... + 45072.

It is an arithmetic number, because the mean of its divisors is an integer number (42087072).

Almost surely, 2168260093 is an apocalyptic number.

It is an amenable number.

168260093 is a deficient number, since it is larger than the sum of its proper divisors (88195).

168260093 is an equidigital number, since it uses as much as digits as its factorization.

168260093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88194.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 168260093 is about 12971.5108217971. The cubic root of 168260093 is about 552.0694411782.

The spelling of 168260093 in words is "one hundred sixty-eight million, two hundred sixty thousand, ninety-three".

Divisors: 1 1951 86243 168260093