Search a number
-
+
253755344 = 24149106441
BaseRepresentation
bin11110001111111…
…11111111010000
3122200111002220002
433013333333100
51004430132334
641102505132
76200612333
oct1707777720
9580432802
10253755344
11120269167
1270b951a8
1340758abb
14259b661a
1517426b7e
hexf1fffd0

253755344 has 20 divisors (see below), whose sum is σ = 494955300. Its totient is φ = 126024960.

The previous prime is 253755301. The next prime is 253755353. The reversal of 253755344 is 443557352.

It can be written as a sum of positive squares in 2 ways, for example, as 11641744 + 242113600 = 3412^2 + 15560^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 253755298 and 253755307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50837 + ... + 55604.

It is an arithmetic number, because the mean of its divisors is an integer number (24747765).

Almost surely, 2253755344 is an apocalyptic number.

It is an amenable number.

253755344 is a deficient number, since it is larger than the sum of its proper divisors (241199956).

253755344 is a wasteful number, since it uses less digits than its factorization.

253755344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106598 (or 106592 counting only the distinct ones).

The product of its digits is 252000, while the sum is 38.

The square root of 253755344 is about 15929.7000599509. The cubic root of 253755344 is about 633.0991528171.

The spelling of 253755344 in words is "two hundred fifty-three million, seven hundred fifty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 149 298 596 1192 2384 106441 212882 425764 851528 1703056 15859709 31719418 63438836 126877672 253755344