Search a number
-
+
253985826 = 23235033659
BaseRepresentation
bin11110010001110…
…00010000100010
3122200220211001110
433020320100202
51010010021301
641111444150
76202562313
oct1710702042
9580824043
10253985826
11120406346
1271086656
1340809993
1425a3660a
15174700d6
hexf238422

253985826 has 32 divisors (see below), whose sum is σ = 531256320. Its totient is φ = 80797904.

The previous prime is 253985783. The next prime is 253985827. The reversal of 253985826 is 628589352.

253985826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253985827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67585 + ... + 71243.

It is an arithmetic number, because the mean of its divisors is an integer number (16601760).

Almost surely, 2253985826 is an apocalyptic number.

253985826 is an abundant number, since it is smaller than the sum of its proper divisors (277270494).

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

253985826 is a wasteful number, since it uses less digits than its factorization.

253985826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190.

The product of its digits is 1036800, while the sum is 48.

The square root of 253985826 is about 15936.9327663763. The cubic root of 253985826 is about 633.2907728248.

The spelling of 253985826 in words is "two hundred fifty-three million, nine hundred eighty-five thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 23 46 69 138 503 1006 1509 3018 3659 7318 10977 11569 21954 23138 34707 69414 84157 168314 252471 504942 1840477 3680954 5521431 11042862 42330971 84661942 126992913 253985826