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4938457 = 23920663
BaseRepresentation
bin10010110101101011011001
3100021220021211
4102311223121
52231012312
6253503121
756655556
oct22655331
910256254
104938457
112873377
1217a1aa1
13103ba84
14927a2d
156783a7
hex4b5ad9

4938457 has 4 divisors (see below), whose sum is σ = 4959360. Its totient is φ = 4917556.

The previous prime is 4938443. The next prime is 4938467. The reversal of 4938457 is 7548394.

4938457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4938457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4938407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10093 + ... + 10570.

It is an arithmetic number, because the mean of its divisors is an integer number (1239840).

Almost surely, 24938457 is an apocalyptic number.

It is an amenable number.

4938457 is a deficient number, since it is larger than the sum of its proper divisors (20903).

4938457 is a wasteful number, since it uses less digits than its factorization.

4938457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902.

The product of its digits is 120960, while the sum is 40.

The square root of 4938457 is about 2222.2639357196. The cubic root of 4938457 is about 170.2931159994.

The spelling of 4938457 in words is "four million, nine hundred thirty-eight thousand, four hundred fifty-seven".

Divisors: 1 239 20663 4938457