Search a number
-
+
7106031 = 321276217
BaseRepresentation
bin11011000110110111101111
3111101000122100
4123012313233
53304343111
6412150143
7114254202
oct33066757
914330570
107106031
114013959
122468353
13161a56a
14d2d939
15955756
hex6c6def

7106031 has 12 divisors (see below), whose sum is σ = 10346752. Its totient is φ = 4699296.

The previous prime is 7106003. The next prime is 7106041. The reversal of 7106031 is 1306017.

It is a de Polignac number, because none of the positive numbers 2k-7106031 is a prime.

It is a super-2 number, since 2×71060312 = 100991353145922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7105995 and 7106013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7106041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1966 + ... + 4251.

Almost surely, 27106031 is an apocalyptic number.

7106031 is a deficient number, since it is larger than the sum of its proper divisors (3240721).

7106031 is a wasteful number, since it uses less digits than its factorization.

7106031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350 (or 6347 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 7106031 is about 2665.7139756546. The cubic root of 7106031 is about 192.2541393733.

The spelling of 7106031 in words is "seven million, one hundred six thousand, thirty-one".

Divisors: 1 3 9 127 381 1143 6217 18651 55953 789559 2368677 7106031