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9938913 = 36154311
BaseRepresentation
bin100101111010…
…011111100001
3200200221121220
4211322133201
510021021123
6553005253
7150323265
oct45723741
920627556
109938913
115679286
1233b3829
13209cb1a
14146a0a5
15d14ce3
hex97a7e1

9938913 has 8 divisors (see below), whose sum is σ = 13469376. Its totient is φ = 6517200.

The previous prime is 9938899. The next prime is 9938927. The reversal of 9938913 is 3198399.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9938899) and next prime (9938927).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9938913 - 26 = 9938849 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9938953) 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, 26973 + ... + 27338.

It is an arithmetic number, because the mean of its divisors is an integer number (1683672).

Almost surely, 29938913 is an apocalyptic number.

It is an amenable number.

9938913 is a deficient number, since it is larger than the sum of its proper divisors (3530463).

9938913 is a wasteful number, since it uses less digits than its factorization.

9938913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54375.

The product of its digits is 52488, while the sum is 42.

The square root of 9938913 is about 3152.6041616416. The cubic root of 9938913 is about 215.0038795045.

The spelling of 9938913 in words is "nine million, nine hundred thirty-eight thousand, nine hundred thirteen".

Divisors: 1 3 61 183 54311 162933 3312971 9938913