Search a number
-
+
2490460 = 225717789
BaseRepresentation
bin1001100000000001011100
311200112021021
421200001130
51114143320
6125213524
730111550
oct11400134
94615237
102490460
111451135
12a012a4
1369275b
1448b860
15342daa
hex26005c

2490460 has 24 divisors (see below), whose sum is σ = 5977440. Its totient is φ = 853824.

The previous prime is 2490451. The next prime is 2490461. The reversal of 2490460 is 640942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8755 + ... + 9034.

It is an arithmetic number, because the mean of its divisors is an integer number (249060).

22490460 is an apocalyptic number.

2490460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2490460 is an abundant number, since it is smaller than the sum of its proper divisors (3486980).

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

2490460 is a wasteful number, since it uses less digits than its factorization.

2490460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17805 (or 17803 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2490460 is about 1578.1191336525. The cubic root of 2490460 is about 135.5480238084.

It can be divided in two parts, 24904 and 60, that added together give a square (24964 = 1582).

The spelling of 2490460 in words is "two million, four hundred ninety thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 17789 35578 71156 88945 124523 177890 249046 355780 498092 622615 1245230 2490460