Search a number
-
+
9915038 = 273719141
BaseRepresentation
bin100101110100…
…101010011110
3200122201212122
4211310222132
510014240123
6552302542
7150163550
oct45645236
920581778
109915038
115662351
1233a1a52
132091cb3
1414614d0
15d0cbc8
hex974a9e

9915038 has 16 divisors (see below), whose sum is σ = 17457504. Its totient is φ = 4134240.

The previous prime is 9914987. The next prime is 9915041. The reversal of 9915038 is 8305199.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9914989 and 9915007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9053 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (1091094).

Almost surely, 29915038 is an apocalyptic number.

9915038 is a deficient number, since it is larger than the sum of its proper divisors (7542466).

9915038 is a wasteful number, since it uses less digits than its factorization.

9915038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19187.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 9915038 is about 3148.8153327879. The cubic root of 9915038 is about 214.8315825471.

The spelling of 9915038 in words is "nine million, nine hundred fifteen thousand, thirty-eight".

Divisors: 1 2 7 14 37 74 259 518 19141 38282 133987 267974 708217 1416434 4957519 9915038