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4993290 = 2325109509
BaseRepresentation
bin10011000011000100001010
3100101200111200
4103003010022
52234241130
6255005030
760304461
oct23030412
910350450
104993290
112900595
121809776
13105aa13
1493d9d8
15689760
hex4c310a

4993290 has 48 divisors (see below), whose sum is σ = 13127400. Its totient is φ = 1316736.

The previous prime is 4993283. The next prime is 4993321. The reversal of 4993290 is 923994.

It can be written as a sum of positive squares in 4 ways, for example, as 4809249 + 184041 = 2193^2 + 429^2 .

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, 9556 + ... + 10064.

Almost surely, 24993290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4993290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6563700).

4993290 is an abundant number, since it is smaller than the sum of its proper divisors (8134110).

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

4993290 is a wasteful number, since it uses less digits than its factorization.

4993290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 4993290 is about 2234.5670721641. The cubic root of 4993290 is about 170.9210675003.

Subtracting from 4993290 its product of nonzero digits (17496), we obtain a palindrome (4975794).

It can be divided in two parts, 49 and 93290, that added together give a palindrome (93339).

The spelling of 4993290 in words is "four million, nine hundred ninety-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 109 218 327 509 545 654 981 1018 1090 1527 1635 1962 2545 3054 3270 4581 4905 5090 7635 9162 9810 15270 22905 45810 55481 110962 166443 277405 332886 499329 554810 832215 998658 1664430 2496645 4993290