Search a number
-
+
4987755 = 325271409
BaseRepresentation
bin10011000001101101101011
3100101101220200
4103001231223
52234102010
6254523243
760252363
oct23015553
910341820
104987755
1128a7413
121806523
131058346
1493b9a3
15687cc0
hex4c1b6b

4987755 has 24 divisors (see below), whose sum is σ = 8698560. Its totient is φ = 2643840.

The previous prime is 4987729. The next prime is 4987769. The reversal of 4987755 is 5577894.

4987755 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4987755 - 27 = 4987627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4987755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11991 + ... + 12399.

It is an arithmetic number, because the mean of its divisors is an integer number (362440).

Almost surely, 24987755 is an apocalyptic number.

4987755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4987755 is a deficient number, since it is larger than the sum of its proper divisors (3710805).

4987755 is a wasteful number, since it uses less digits than its factorization.

4987755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 688 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 4987755 is about 2233.3282338250. The cubic root of 4987755 is about 170.8578895231.

The spelling of 4987755 in words is "four million, nine hundred eighty-seven thousand, seven hundred fifty-five".

Divisors: 1 3 5 9 15 45 271 409 813 1227 1355 2045 2439 3681 4065 6135 12195 18405 110839 332517 554195 997551 1662585 4987755