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4981253 = 6477699
BaseRepresentation
bin10011000000001000000101
3100101001222212
4103000020011
52233400003
6254433205
760224414
oct23001005
910331885
104981253
1128a2542
121802805
1310553b4
1493947b
15685dd8
hex4c0205

4981253 has 4 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 4972908.

The previous prime is 4981237. The next prime is 4981259. The reversal of 4981253 is 3521894.

4981253 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, and also an emirpimes, since its reverse is a distinct semiprime: 3521894 = 21760947.

It is a cyclic number.

It is not a de Polignac number, because 4981253 - 24 = 4981237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203 + ... + 4496.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 24981253 is an apocalyptic number.

It is an amenable number.

4981253 is a deficient number, since it is larger than the sum of its proper divisors (8347).

4981253 is an equidigital number, since it uses as much as digits as its factorization.

4981253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346.

The product of its digits is 8640, while the sum is 32.

The square root of 4981253 is about 2231.8720841482. The cubic root of 4981253 is about 170.7836142178.

The spelling of 4981253 in words is "four million, nine hundred eighty-one thousand, two hundred fifty-three".

Divisors: 1 647 7699 4981253