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2490222 = 237211281
BaseRepresentation
bin1001011111111101101110
311200111221110
421133331232
51114141342
6125212450
730111060
oct11377556
94614843
102490222
111450a39
12a01126
13692607
1448b730
15342c9c
hex25ff6e

2490222 has 32 divisors (see below), whose sum is σ = 5739264. Its totient is φ = 705600.

The previous prime is 2490221. The next prime is 2490227. The reversal of 2490222 is 2220942.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8722 + ... + 9002.

It is an arithmetic number, because the mean of its divisors is an integer number (179352).

22490222 is an apocalyptic number.

2490222 is an abundant number, since it is smaller than the sum of its proper divisors (3249042).

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

2490222 is a wasteful number, since it uses less digits than its factorization.

2490222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

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

The square root of 2490222 is about 1578.0437256299. The cubic root of 2490222 is about 135.5437058032.

The spelling of 2490222 in words is "two million, four hundred ninety thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 211 281 422 562 633 843 1266 1477 1686 1967 2954 3934 4431 5901 8862 11802 59291 118582 177873 355746 415037 830074 1245111 2490222