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2490420 = 223541507
BaseRepresentation
bin1001100000000000110100
311200112012210
421200000310
51114143140
6125213420
730111462
oct11400064
94615183
102490420
1114510a9
12a01270
1369272a
1448b832
15342d80
hex260034

2490420 has 24 divisors (see below), whose sum is σ = 6973344. Its totient is φ = 664096.

The previous prime is 2490413. The next prime is 2490421. The reversal of 2490420 is 240942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20694 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (290556).

22490420 is an apocalyptic number.

2490420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2490420 is an abundant number, since it is smaller than the sum of its proper divisors (4482924).

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

2490420 is a wasteful number, since it uses less digits than its factorization.

2490420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41519 (or 41517 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2490420 is about 1578.1064602871. The cubic root of 2490420 is about 135.5472981125.

The spelling of 2490420 in words is "two million, four hundred ninety thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 41507 83014 124521 166028 207535 249042 415070 498084 622605 830140 1245210 2490420