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8264137 = 71180591
BaseRepresentation
bin11111100001100111001001
3120112212021011
4133201213021
54103423022
6453043521
7130146460
oct37414711
916485234
108264137
114734a72
1229265a1
13193472b
1411519d7
15ad3977
hex7e19c9

8264137 has 4 divisors (see below), whose sum is σ = 9444736. Its totient is φ = 7083540.

The previous prime is 8264119. The next prime is 8264141. The reversal of 8264137 is 7314628.

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 8264137 - 215 = 8231369 is a prime.

8264137 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8264099 and 8264108.

It is not an unprimeable number, because it can be changed into a prime (8264147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590289 + ... + 590302.

It is an arithmetic number, because the mean of its divisors is an integer number (2361184).

Almost surely, 28264137 is an apocalyptic number.

It is an amenable number.

8264137 is a deficient number, since it is larger than the sum of its proper divisors (1180599).

8264137 is a wasteful number, since it uses less digits than its factorization.

8264137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180598.

The product of its digits is 8064, while the sum is 31.

The square root of 8264137 is about 2874.7412057436. The cubic root of 8264137 is about 202.1773513512.

The spelling of 8264137 in words is "eight million, two hundred sixty-four thousand, one hundred thirty-seven".

Divisors: 1 7 1180591 8264137