Search a number
-
+
9952913 = 13772649
BaseRepresentation
bin100101111101…
…111010010001
3200201122211102
4211331322101
510021443123
6553154145
7150412145
oct45757221
920648742
109952913
115688853
1233bb955
1320a62c9
141471225
15d19028
hex97de91

9952913 has 4 divisors (see below), whose sum is σ = 10025700. Its totient is φ = 9880128.

The previous prime is 9952897. The next prime is 9952931. The reversal of 9952913 is 3192599.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4231249 + 5721664 = 2057^2 + 2392^2 .

It is a cyclic number.

It is not a de Polignac number, because 9952913 - 24 = 9952897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9952213) 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, 36188 + ... + 36461.

It is an arithmetic number, because the mean of its divisors is an integer number (2506425).

Almost surely, 29952913 is an apocalyptic number.

It is an amenable number.

9952913 is a deficient number, since it is larger than the sum of its proper divisors (72787).

9952913 is a wasteful number, since it uses less digits than its factorization.

9952913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72786.

The product of its digits is 21870, while the sum is 38.

The square root of 9952913 is about 3154.8237668688. The cubic root of 9952913 is about 215.1047839694.

The spelling of 9952913 in words is "nine million, nine hundred fifty-two thousand, nine hundred thirteen".

Divisors: 1 137 72649 9952913