Search a number
-
+
9948431 is a prime number
BaseRepresentation
bin100101111100…
…110100001111
3200201102200102
4211330310033
510021322211
6553121315
7150363113
oct45746417
920642612
109948431
115685449
1233b923b
1320a425c
14146d743
15d17a3b
hex97cd0f

9948431 has 2 divisors, whose sum is σ = 9948432. Its totient is φ = 9948430.

The previous prime is 9948413. The next prime is 9948469. The reversal of 9948431 is 1348499.

Together with previous prime (9948413) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (9948469) can be obtained adding 9948431 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9948431 - 210 = 9947407 is a prime.

It is a super-2 number, since 2×99484312 = 197942558723522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9948931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974215 + 4974216.

It is an arithmetic number, because the mean of its divisors is an integer number (4974216).

Almost surely, 29948431 is an apocalyptic number.

9948431 is a deficient number, since it is larger than the sum of its proper divisors (1).

9948431 is an equidigital number, since it uses as much as digits as its factorization.

9948431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 9948431 is about 3154.1133460927. The cubic root of 9948431 is about 215.0724904289.

The spelling of 9948431 in words is "nine million, nine hundred forty-eight thousand, four hundred thirty-one".