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1813245354 = 232197616967
BaseRepresentation
bin110110000010011…
…1110110110101010
311200100221102000100
41230010332312222
512203142322404
6455532050230
762635221414
oct15404766652
94610842010
101813245354
11850591088
12427303976
1322b879b5b
14132b639b4
15a92c2d39
hex6c13edaa

1813245354 has 48 divisors (see below), whose sum is σ = 4141500480. Its totient is φ = 571769280.

The previous prime is 1813245257. The next prime is 1813245391. The reversal of 1813245354 is 4535423181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256779 + ... + 263745.

It is an arithmetic number, because the mean of its divisors is an integer number (86281260).

Almost surely, 21813245354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1813245354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070750240).

1813245354 is an abundant number, since it is smaller than the sum of its proper divisors (2328255126).

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

1813245354 is a wasteful number, since it uses less digits than its factorization.

1813245354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755 (or 7752 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1813245354 is about 42582.2187538414. The cubic root of 1813245354 is about 1219.4168479700.

The spelling of 1813245354 in words is "one billion, eight hundred thirteen million, two hundred forty-five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 761 1522 2283 4566 6849 6967 13698 13934 14459 20901 28918 41802 43377 62703 86754 125406 130131 132373 260262 264746 397119 794238 1191357 2382714 5301887 10603774 15905661 31811322 47716983 95433966 100735853 201471706 302207559 604415118 906622677 1813245354