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4987253 = 19713697
BaseRepresentation
bin10011000001100101110101
3100101101020002
4103001211311
52234043003
6254521045
760251045
oct23014565
910341202
104987253
1128a6aa7
121806185
13105804b
1493b725
15687a88
hex4c1975

4987253 has 8 divisors (see below), whose sum is σ = 5325120. Its totient is φ = 4656960.

The previous prime is 4987231. The next prime is 4987259. The reversal of 4987253 is 3527894.

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

It is a cyclic number.

It is not a de Polignac number, because 4987253 - 28 = 4986997 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 (4987259) 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, 500 + ... + 3197.

It is an arithmetic number, because the mean of its divisors is an integer number (665640).

Almost surely, 24987253 is an apocalyptic number.

It is an amenable number.

4987253 is a deficient number, since it is larger than the sum of its proper divisors (337867).

4987253 is a wasteful number, since it uses less digits than its factorization.

4987253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787.

The product of its digits is 60480, while the sum is 38.

The square root of 4987253 is about 2233.2158426807. The cubic root of 4987253 is about 170.8521572489.

The spelling of 4987253 in words is "four million, nine hundred eighty-seven thousand, two hundred fifty-three".

Divisors: 1 19 71 1349 3697 70243 262487 4987253