Search a number
-
+
253190444 = 22134869047
BaseRepresentation
bin11110001011101…
…10000100101100
3122122102101222212
433011312010230
51004304043234
641042425552
76163040363
oct1705660454
9578371885
10253190444
1111aa12801
12709622b8
13405bb940
14258aa7da
15173645ce
hexf17612c

253190444 has 12 divisors (see below), whose sum is σ = 477166704. Its totient is φ = 116857104.

The previous prime is 253190429. The next prime is 253190449. The reversal of 253190444 is 444091352.

253190444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253190444.

It is not an unprimeable number, because it can be changed into a prime (253190449) 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, 2434472 + ... + 2434575.

It is an arithmetic number, because the mean of its divisors is an integer number (39763892).

Almost surely, 2253190444 is an apocalyptic number.

It is an amenable number.

253190444 is a deficient number, since it is larger than the sum of its proper divisors (223976260).

253190444 is a wasteful number, since it uses less digits than its factorization.

253190444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869064 (or 4869062 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 253190444 is about 15911.9591502744. The cubic root of 253190444 is about 632.6290104341.

The spelling of 253190444 in words is "two hundred fifty-three million, one hundred ninety thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 4869047 9738094 19476188 63297611 126595222 253190444