Search a number
-
+
9214031 = 191912539
BaseRepresentation
bin100011001001…
…100001001111
3122100010021102
4203021201033
54324322111
6525253315
7141214031
oct43114117
918303242
109214031
115223702
12310423b
131ba7bb8
14131bc51
15c2013b
hex8c984f

9214031 has 8 divisors (see below), whose sum is σ = 9753600. Its totient is φ = 8679960.

The previous prime is 9214027. The next prime is 9214033. The reversal of 9214031 is 1304129.

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

It is not a de Polignac number, because 9214031 - 22 = 9214027 is a prime.

It is a super-2 number, since 2×92140312 = 169796734537922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9213994 and 9214012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9214033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360 + ... + 4898.

It is an arithmetic number, because the mean of its divisors is an integer number (1219200).

Almost surely, 29214031 is an apocalyptic number.

9214031 is the 1358-th centered decagonal number.

9214031 is a deficient number, since it is larger than the sum of its proper divisors (539569).

9214031 is a wasteful number, since it uses less digits than its factorization.

9214031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 9214031 is about 3035.4622382761. The cubic root of 9214031 is about 209.6443792238.

The spelling of 9214031 in words is "nine million, two hundred fourteen thousand, thirty-one".

Divisors: 1 19 191 2539 3629 48241 484949 9214031