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4931421 = 311295153
BaseRepresentation
bin10010110011111101011101
3100021112122020
4102303331131
52230301141
6253410353
756626215
oct22637535
910245566
104931421
112869060
1217999b9
131038801
14925245
15676266
hex4b3f5d

4931421 has 16 divisors (see below), whose sum is σ = 7421760. Its totient is φ = 2885120.

The previous prime is 4931389. The next prime is 4931441. The reversal of 4931421 is 1241394.

4931421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4931421 - 25 = 4931389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4931391 and 4931400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4931441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 3533.

It is an arithmetic number, because the mean of its divisors is an integer number (463860).

Almost surely, 24931421 is an apocalyptic number.

It is an amenable number.

4931421 is a deficient number, since it is larger than the sum of its proper divisors (2490339).

4931421 is a wasteful number, since it uses less digits than its factorization.

4931421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196.

The product of its digits is 864, while the sum is 24.

The square root of 4931421 is about 2220.6803011690. The cubic root of 4931421 is about 170.2122032875.

The spelling of 4931421 in words is "four million, nine hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 3 11 29 33 87 319 957 5153 15459 56683 149437 170049 448311 1643807 4931421