Search a number
-
+
4987580 = 2251319183
BaseRepresentation
bin10011000001101010111100
3100101101200012
4103001222330
52234100310
6254522352
760252023
oct23015274
910341605
104987580
1128a7274
1218063b8
131058240
1493b8ba
15687c05
hex4c1abc

4987580 has 24 divisors (see below), whose sum is σ = 11280192. Its totient is φ = 1841472.

The previous prime is 4987571. The next prime is 4987589. The reversal of 4987580 is 857894.

It is an interprime number because it is at equal distance from previous prime (4987571) and next prime (4987589).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987589) 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, 9332 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (470008).

Almost surely, 24987580 is an apocalyptic number.

It is an amenable number.

4987580 is an abundant number, since it is smaller than the sum of its proper divisors (6292612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4987580 is a wasteful number, since it uses less digits than its factorization.

4987580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19205 (or 19203 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 4987580 is about 2233.2890542874. The cubic root of 4987580 is about 170.8558912640.

The spelling of 4987580 in words is "four million, nine hundred eighty-seven thousand, five hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 19183 38366 76732 95915 191830 249379 383660 498758 997516 1246895 2493790 4987580