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2490442872 = 233269938447
BaseRepresentation
bin1001010001110001…
…0010010001111000
320102120012121100220
42110130102101320
520100023132442
61051042500040
7115500262251
oct22434222170
96376177326
102490442872
111068876655
12596064620
13308c64348
14198a83b28
15e898deec
hex94712478

2490442872 has 32 divisors (see below), whose sum is σ = 6228576000. Its totient is φ = 829818464.

The previous prime is 2490442853. The next prime is 2490442873. The reversal of 2490442872 is 2782440942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490442873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45553 + ... + 83999.

It is an arithmetic number, because the mean of its divisors is an integer number (194643000).

Almost surely, 22490442872 is an apocalyptic number.

It is an amenable number.

2490442872 is an abundant number, since it is smaller than the sum of its proper divisors (3738133128).

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

2490442872 is a wasteful number, since it uses less digits than its factorization.

2490442872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41155 (or 41151 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 2490442872 is about 49904.3372062990. The cubic root of 2490442872 is about 1355.4771306635.

It can be divided in two parts, 24904 and 42872, that added together give a palindrome (67776).

The spelling of 2490442872 in words is "two billion, four hundred ninety million, four hundred forty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 2699 5398 8097 10796 16194 21592 32388 38447 64776 76894 115341 153788 230682 307576 461364 922728 103768453 207536906 311305359 415073812 622610718 830147624 1245221436 2490442872