Search a number
-
+
253130064 = 243112411063
BaseRepresentation
bin11110001011001…
…11010101010000
3122122022100011120
433011213111100
51004300130224
641041242240
76162366345
oct1705472520
9578270146
10253130064
1111a981400
1270933380
134059a305
14258927cc
1517351779
hexf167550

253130064 has 120 divisors (see below), whose sum is σ = 736994496. Its totient is φ = 74764800.

The previous prime is 253130063. The next prime is 253130069. The reversal of 253130064 is 460031352.

It is a happy number.

253130064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253130063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237597 + ... + 238659.

Almost surely, 2253130064 is an apocalyptic number.

253130064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253130064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368497248).

253130064 is an abundant number, since it is smaller than the sum of its proper divisors (483864432).

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

253130064 is a wasteful number, since it uses less digits than its factorization.

253130064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 253130064 is about 15910.0617220676. The cubic root of 253130064 is about 632.5787173610.

The spelling of 253130064 in words is "two hundred fifty-three million, one hundred thirty thousand, sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 41 44 48 66 82 88 121 123 132 164 176 242 246 264 328 363 451 484 492 528 656 726 902 968 984 1063 1353 1452 1804 1936 1968 2126 2706 2904 3189 3608 4252 4961 5412 5808 6378 7216 8504 9922 10824 11693 12756 14883 17008 19844 21648 23386 25512 29766 35079 39688 43583 46772 51024 59532 70158 79376 87166 93544 119064 128623 130749 140316 174332 187088 238128 257246 261498 280632 348664 385869 479413 514492 522996 561264 697328 771738 958826 1028984 1045992 1438239 1543476 1917652 2057968 2091984 2876478 3086952 3835304 5273543 5752956 6173904 7670608 10547086 11505912 15820629 21094172 23011824 31641258 42188344 63282516 84376688 126565032 253130064