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641283348 = 223280119079
BaseRepresentation
bin100110001110010…
…011010100010100
31122200200120101010
4212032103110110
52303132031343
6143344532220
721614550516
oct4616232424
91580616333
10641283348
112a9a95742
1215a921070
13a2b21604
1461251bb6
153b474d33
hex26393514

641283348 has 24 divisors (see below), whose sum is σ = 1496940480. Its totient is φ = 213673600.

The previous prime is 641283343. The next prime is 641283353. The reversal of 641283348 is 843382146.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (641283343) and next prime (641283353).

It is a super-2 number, since 2×6412833482 = 822488664844178208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641283343) 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, 24073 + ... + 43151.

It is an arithmetic number, because the mean of its divisors is an integer number (62372520).

Almost surely, 2641283348 is an apocalyptic number.

It is an amenable number.

641283348 is an abundant number, since it is smaller than the sum of its proper divisors (855657132).

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

641283348 is a wasteful number, since it uses less digits than its factorization.

641283348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21887 (or 21885 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 641283348 is about 25323.5729706533. The cubic root of 641283348 is about 862.3495100598.

It can be divided in two parts, 64128 and 3348, that added together give a palindrome (67476).

The spelling of 641283348 in words is "six hundred forty-one million, two hundred eighty-three thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 2801 5602 8403 11204 16806 19079 33612 38158 57237 76316 114474 228948 53440279 106880558 160320837 213761116 320641674 641283348