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2490142 = 26120411
BaseRepresentation
bin1001011111111100011110
311200111211111
421133330132
51114141032
6125212234
730110614
oct11377436
94614744
102490142
111450976
12a0107a
13692575
1448b6b4
15342c47
hex25ff1e

2490142 has 8 divisors (see below), whose sum is σ = 3796632. Its totient is φ = 1224600.

The previous prime is 2490139. The next prime is 2490157. The reversal of 2490142 is 2410942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10084 + ... + 10327.

It is an arithmetic number, because the mean of its divisors is an integer number (474579).

22490142 is an apocalyptic number.

2490142 is a deficient number, since it is larger than the sum of its proper divisors (1306490).

2490142 is a wasteful number, since it uses less digits than its factorization.

2490142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20474.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2490142 is about 1578.0183775863. The cubic root of 2490142 is about 135.5422543111.

The spelling of 2490142 in words is "two million, four hundred ninety thousand, one hundred forty-two".

Divisors: 1 2 61 122 20411 40822 1245071 2490142