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8290869 = 32763623
BaseRepresentation
bin11111101000001000110101
3120121012221020
4133220020311
54110301434
6453411353
7130320426
oct37501065
916535836
108290869
114753064
122939b59
131943952
14115b64d
15adb849
hex7e8235

8290869 has 4 divisors (see below), whose sum is σ = 11054496. Its totient is φ = 5527244.

The previous prime is 8290861. The next prime is 8290889. The reversal of 8290869 is 9680928.

8290869 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 8290869 - 23 = 8290861 is a prime.

It is a super-2 number, since 2×82908692 = 137477017550322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8290869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8290861) 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, 1381809 + ... + 1381814.

It is an arithmetic number, because the mean of its divisors is an integer number (2763624).

Almost surely, 28290869 is an apocalyptic number.

It is an amenable number.

8290869 is a deficient number, since it is larger than the sum of its proper divisors (2763627).

8290869 is a wasteful number, since it uses less digits than its factorization.

8290869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763626.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 8290869 is about 2879.3869139107. The cubic root of 8290869 is about 202.3951110512.

It can be divided in two parts, 82 and 90869, that added together give a triangular number (90951 = T426).

The spelling of 8290869 in words is "eight million, two hundred ninety thousand, eight hundred sixty-nine".

Divisors: 1 3 2763623 8290869