Search a number
-
+
8069031 = 33298853
BaseRepresentation
bin11110110001111110100111
3120011221122000
4132301332213
54031202111
6444540343
7125404605
oct36617647
916157560
108069031
114611423
1228516b3
131896999
141100875
15a95c56
hex7b1fa7

8069031 has 8 divisors (see below), whose sum is σ = 11954160. Its totient is φ = 5379336.

The previous prime is 8068969. The next prime is 8069041. The reversal of 8069031 is 1309608.

8069031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8069031 - 26 = 8068967 is a prime.

It is a super-2 number, since 2×80690312 = 130218522557922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 298853 = 8069031 / (8 + 0 + 6 + 9 + 0 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 8068986 and 8069004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8069041) 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, 149400 + ... + 149453.

It is an arithmetic number, because the mean of its divisors is an integer number (1494270).

Almost surely, 28069031 is an apocalyptic number.

8069031 is a deficient number, since it is larger than the sum of its proper divisors (3885129).

8069031 is a wasteful number, since it uses less digits than its factorization.

8069031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298862 (or 298856 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 8069031 is about 2840.6039850708. The cubic root of 8069031 is about 200.5736116091.

The spelling of 8069031 in words is "eight million, sixty-nine thousand, thirty-one".

Divisors: 1 3 9 27 298853 896559 2689677 8069031