Search a number
-
+
2490444 = 22321119331
BaseRepresentation
bin1001100000000001001100
311200112020200
421200001030
51114143234
6125213500
730111525
oct11400114
94615220
102490444
111451120
12a01290
13692748
1448b84c
15342d99
hex26004c

2490444 has 72 divisors (see below), whose sum is σ = 7250880. Its totient is φ = 712800.

The previous prime is 2490421. The next prime is 2490451. The reversal of 2490444 is 4440942.

It is a super-2 number, since 2×24904442 = 12404622634272, which contains 22 as substring.

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, 7359 + ... + 7689.

22490444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2490444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3625440).

2490444 is an abundant number, since it is smaller than the sum of its proper divisors (4760436).

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

2490444 is a wasteful number, since it uses less digits than its factorization.

2490444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2490444 is about 1578.1140643185. The cubic root of 2490444 is about 135.5477335310.

The spelling of 2490444 in words is "two million, four hundred ninety thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 33 36 38 44 57 66 76 99 114 132 171 198 209 228 331 342 396 418 627 662 684 836 993 1254 1324 1881 1986 2508 2979 3641 3762 3972 5958 6289 7282 7524 10923 11916 12578 14564 18867 21846 25156 32769 37734 43692 56601 65538 69179 75468 113202 131076 138358 207537 226404 276716 415074 622611 830148 1245222 2490444