Search a number
-
+
9969031 = 10991459
BaseRepresentation
bin100110000001…
…110110000111
3200202110221101
4212001312013
510023002111
6553400531
7150510142
oct46016607
920673841
109969031
115699976
123409147
1320b0747
141477059
15d1dbc1
hex981d87

9969031 has 4 divisors (see below), whose sum is σ = 10060600. Its totient is φ = 9877464.

The previous prime is 9969023. The next prime is 9969059. The reversal of 9969031 is 1309699.

9969031 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 9969031 - 23 = 9969023 is a prime.

It is a super-2 number, since 2×99690312 = 198763158157922, which contains 22 as substring.

It is a Duffinian number.

9969031 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9969331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45621 + ... + 45838.

It is an arithmetic number, because the mean of its divisors is an integer number (2515150).

Almost surely, 29969031 is an apocalyptic number.

9969031 is a deficient number, since it is larger than the sum of its proper divisors (91569).

9969031 is a wasteful number, since it uses less digits than its factorization.

9969031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91568.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 9969031 is about 3157.3772343513. The cubic root of 9969031 is about 215.2208367284.

The spelling of 9969031 in words is "nine million, nine hundred sixty-nine thousand, thirty-one".

Divisors: 1 109 91459 9969031