Search a number
-
+
8106245 = 57231607
BaseRepresentation
bin11110111011000100000101
3120020211200022
4132323010011
54033344440
6445424525
7125621240
oct36730405
916224608
108106245
114637384
12286b145
1318aa8c4
141110257
15aa1cb5
hex7bb105

8106245 has 8 divisors (see below), whose sum is σ = 11117184. Its totient is φ = 5558544.

The previous prime is 8106211. The next prime is 8106251. The reversal of 8106245 is 5426018.

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 8106245 - 26 = 8106181 is a prime.

It is a super-2 number, since 2×81062452 = 131422416000050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115769 + ... + 115838.

It is an arithmetic number, because the mean of its divisors is an integer number (1389648).

Almost surely, 28106245 is an apocalyptic number.

It is an amenable number.

8106245 is a deficient number, since it is larger than the sum of its proper divisors (3010939).

8106245 is a wasteful number, since it uses less digits than its factorization.

8106245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231619.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8106245 is about 2847.1468174297. The cubic root of 8106245 is about 200.8814842201.

The spelling of 8106245 in words is "eight million, one hundred six thousand, two hundred forty-five".

Divisors: 1 5 7 35 231607 1158035 1621249 8106245