Search a number
-
+
4895990 = 251147947
BaseRepresentation
bin10010101011010011110110
3100012202000222
4102223103312
52223132430
6252534342
756421011
oct22532366
910182028
104895990
112844480
1217813b2
131025648
14916378
1566a9e5
hex4ab4f6

4895990 has 32 divisors (see below), whose sum is σ = 9828864. Its totient is φ = 1740640.

The previous prime is 4895963. The next prime is 4895993. The reversal of 4895990 is 995984.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4895993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4697 + ... + 5643.

It is an arithmetic number, because the mean of its divisors is an integer number (307152).

Almost surely, 24895990 is an apocalyptic number.

4895990 is an abundant number, since it is smaller than the sum of its proper divisors (4932874).

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

4895990 is a wasteful number, since it uses less digits than its factorization.

4895990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 4895990 is about 2212.6884100569. The cubic root of 4895990 is about 169.8035793683.

It can be divided in two parts, 4895 and 990, that added together give a palindrome (5885).

The spelling of 4895990 in words is "four million, eight hundred ninety-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 47 55 94 110 235 470 517 947 1034 1894 2585 4735 5170 9470 10417 20834 44509 52085 89018 104170 222545 445090 489599 979198 2447995 4895990