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4878253 = 31157363
BaseRepresentation
bin10010100110111110101101
3100011211201001
4102212332231
52222101003
6252320301
756315212
oct22467655
910154631
104878253
112832116
121773091
13101a553
1490db09
1566561d
hex4a6fad

4878253 has 4 divisors (see below), whose sum is σ = 5035648. Its totient is φ = 4720860.

The previous prime is 4878241. The next prime is 4878257. The reversal of 4878253 is 3528784.

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 not a de Polignac number, because 4878253 - 217 = 4747181 is a prime.

It is a Duffinian number.

4878253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878257) 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, 78651 + ... + 78712.

It is an arithmetic number, because the mean of its divisors is an integer number (1258912).

Almost surely, 24878253 is an apocalyptic number.

It is an amenable number.

4878253 is a deficient number, since it is larger than the sum of its proper divisors (157395).

4878253 is a wasteful number, since it uses less digits than its factorization.

4878253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157394.

The product of its digits is 53760, while the sum is 37.

The square root of 4878253 is about 2208.6767531715. The cubic root of 4878253 is about 169.5982786738.

The spelling of 4878253 in words is "four million, eight hundred seventy-eight thousand, two hundred fifty-three".

Divisors: 1 31 157363 4878253