Search a number
-
+
4871490 = 2351312491
BaseRepresentation
bin10010100101010101000010
3100011111102120
4102211111002
52221341430
6252225110
756256411
oct22452502
910144376
104871490
112828028
12176b196
131017450
1490b478
15663610
hex4a5542

4871490 has 32 divisors (see below), whose sum is σ = 12591936. Its totient is φ = 1199040.

The previous prime is 4871479. The next prime is 4871491. The reversal of 4871490 is 941784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4871491) 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, 5856 + ... + 6635.

It is an arithmetic number, because the mean of its divisors is an integer number (393498).

Almost surely, 24871490 is an apocalyptic number.

4871490 is an abundant number, since it is smaller than the sum of its proper divisors (7720446).

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

4871490 is a wasteful number, since it uses less digits than its factorization.

4871490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12514.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 4871490 is about 2207.1452149779. The cubic root of 4871490 is about 169.5198678428.

The spelling of 4871490 in words is "four million, eight hundred seventy-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 12491 24982 37473 62455 74946 124910 162383 187365 324766 374730 487149 811915 974298 1623830 2435745 4871490