Search a number
-
+
6555430 = 257711319
BaseRepresentation
bin11001000000011100100110
3110100001100201
4121000130212
53134233210
6352301114
7106502020
oct31003446
913301321
106555430
113778212
12224179a
131486a6b
14c29010
1589753a
hex640726

6555430 has 32 divisors (see below), whose sum is σ = 13685760. Its totient is φ = 2214240.

The previous prime is 6555427. The next prime is 6555433. The reversal of 6555430 is 345556.

It is an interprime number because it is at equal distance from previous prime (6555427) and next prime (6555433).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4311 + ... + 5629.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

Almost surely, 26555430 is an apocalyptic number.

6555430 is an abundant number, since it is smaller than the sum of its proper divisors (7130330).

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

6555430 is a wasteful number, since it uses less digits than its factorization.

6555430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 6555430 is about 2560.3573969272. The cubic root of 6555430 is about 187.1545520896.

The spelling of 6555430 in words is "six million, five hundred fifty-five thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 71 142 355 497 710 994 1319 2485 2638 4970 6595 9233 13190 18466 46165 92330 93649 187298 468245 655543 936490 1311086 3277715 6555430