Search a number
-
+
9904293 = 327157211
BaseRepresentation
bin100101110010…
…000010100101
3200122012010200
4211302002211
510013414133
6552141113
7150120330
oct45620245
920565120
109904293
115655273
123397799
13208a139
14145b617
15d09913
hex9720a5

9904293 has 12 divisors (see below), whose sum is σ = 16350048. Its totient is φ = 5659560.

The previous prime is 9904291. The next prime is 9904313. The reversal of 9904293 is 3924099.

It is not a de Polignac number, because 9904293 - 21 = 9904291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78543 + ... + 78668.

It is an arithmetic number, because the mean of its divisors is an integer number (1362504).

Almost surely, 29904293 is an apocalyptic number.

It is an amenable number.

9904293 is a deficient number, since it is larger than the sum of its proper divisors (6445755).

9904293 is a wasteful number, since it uses less digits than its factorization.

9904293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157224 (or 157221 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 9904293 is about 3147.1086730521. The cubic root of 9904293 is about 214.7539496383.

It can be divided in two parts, 990 and 4293, that multiplied together give a triangular number (4250070 = T2915).

The spelling of 9904293 in words is "nine million, nine hundred four thousand, two hundred ninety-three".

Divisors: 1 3 7 9 21 63 157211 471633 1100477 1414899 3301431 9904293