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2490970894 = 25872121781
BaseRepresentation
bin1001010001111001…
…0011001100001110
320102121012102200021
42110132103030032
520100142032034
61051102052354
7115504621546
oct22436231416
96377172607
102490970894
1110690a7335
1259627a0ba
133090ba799
14198b80326
15e8a456b4
hex9479330e

2490970894 has 8 divisors (see below), whose sum is σ = 3742823448. Its totient is φ = 1243363080.

The previous prime is 2490970891. The next prime is 2490970901. The reversal of 2490970894 is 4980790942.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490970891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059717 + ... + 1062064.

It is an arithmetic number, because the mean of its divisors is an integer number (467852931).

Almost surely, 22490970894 is an apocalyptic number.

2490970894 is a deficient number, since it is larger than the sum of its proper divisors (1251852554).

2490970894 is a wasteful number, since it uses less digits than its factorization.

2490970894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122370.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2490970894 is about 49909.6272676926. The cubic root of 2490970894 is about 1355.5729196732.

The spelling of 2490970894 in words is "two billion, four hundred ninety million, nine hundred seventy thousand, eight hundred ninety-four".

Divisors: 1 2 587 1174 2121781 4243562 1245485447 2490970894