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8389137 = 36741737
BaseRepresentation
bin100000000000…
…001000010001
3120210012201210
4200000020101
54121423022
6455450333
7131210061
oct40001021
916705653
108389137
11480a979
1229869a9
1319795b3
1411853a1
15b0aa0c
hex800211

8389137 has 8 divisors (see below), whose sum is σ = 11352736. Its totient is φ = 5509152.

The previous prime is 8389123. The next prime is 8389141. The reversal of 8389137 is 7319838.

8389137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8389137 - 28 = 8388881 is a prime.

It is a Leyland number of the form 232 + 223.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8389095 and 8389104.

It is not an unprimeable number, because it can be changed into a prime (8389187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20668 + ... + 21069.

It is an arithmetic number, because the mean of its divisors is an integer number (1419092).

Almost surely, 28389137 is an apocalyptic number.

It is an amenable number.

8389137 is a deficient number, since it is larger than the sum of its proper divisors (2963599).

8389137 is a wasteful number, since it uses less digits than its factorization.

8389137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41807.

The product of its digits is 36288, while the sum is 39.

The square root of 8389137 is about 2896.4006974174. The cubic root of 8389137 is about 203.1916056760.

The spelling of 8389137 in words is "eight million, three hundred eighty-nine thousand, one hundred thirty-seven".

Divisors: 1 3 67 201 41737 125211 2796379 8389137