Search a number
-
+
994131 = 32110459
BaseRepresentation
bin11110010101101010011
31212111200200
43302231103
5223303011
633150243
711310225
oct3625523
91774620
10994131
116199a6
123bb383
1328a658
141bc415
15149856
hexf2b53

994131 has 6 divisors (see below), whose sum is σ = 1435980. Its totient is φ = 662748.

The previous prime is 994093. The next prime is 994141. The reversal of 994131 is 131499.

It is not a de Polignac number, because 994131 - 26 = 994067 is a prime.

It is a super-2 number, since 2×9941312 = 1976592890322, which contains 22 as substring.

It is an Ulam number.

994131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 994095 and 994104.

It is not an unprimeable number, because it can be changed into a prime (994141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55221 + ... + 55238.

It is an arithmetic number, because the mean of its divisors is an integer number (239330).

2994131 is an apocalyptic number.

994131 is a deficient number, since it is larger than the sum of its proper divisors (441849).

994131 is a wasteful number, since it uses less digits than its factorization.

994131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110465 (or 110462 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 994131 is about 997.0611816734. The cubic root of 994131 is about 99.8039826899.

The spelling of 994131 in words is "nine hundred ninety-four thousand, one hundred thirty-one".

Divisors: 1 3 9 110459 331377 994131