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10313969 = 55718517
BaseRepresentation
bin100111010110…
…000011110001
3201102000002212
4213112003301
510120021334
61005021505
7153444611
oct47260361
921360085
1010313969
115905046
123554895
1321a1753
141526a41
15d8aece
hex9d60f1

10313969 has 4 divisors (see below), whose sum is σ = 10333044. Its totient is φ = 10294896.

The previous prime is 10313921. The next prime is 10313987. The reversal of 10313969 is 96931301.

10313969 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 96931301 = 831167847.

It can be written as a sum of positive squares in 2 ways, for example, as 1787569 + 8526400 = 1337^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313969 - 220 = 9265393 is a prime.

It is a super-2 number, since 2×103139692 = 212755913065922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10313909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8702 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (2583261).

Almost surely, 210313969 is an apocalyptic number.

It is an amenable number.

10313969 is a deficient number, since it is larger than the sum of its proper divisors (19075).

10313969 is an equidigital number, since it uses as much as digits as its factorization.

10313969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19074.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 10313969 is about 3211.5368595113. The cubic root of 10313969 is about 217.6750271238.

The spelling of 10313969 in words is "ten million, three hundred thirteen thousand, nine hundred sixty-nine".

Divisors: 1 557 18517 10313969