Search a number
-
+
258652416 = 28311171801
BaseRepresentation
bin11110110101010…
…11100100000000
3200000200220102010
433122223210000
51012203334131
641355452520
76260336451
oct1732534400
9600626363
10258652416
11123003430
1272757140
1341781a89
14264cd128
1517a92b46
hexf6ab900

258652416 has 144 divisors (see below), whose sum is σ = 795590208. Its totient is φ = 73728000.

The previous prime is 258652409. The next prime is 258652441. The reversal of 258652416 is 614256852.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 142716 + ... + 144516.

It is an arithmetic number, because the mean of its divisors is an integer number (5524932).

Almost surely, 2258652416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258652416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397795104).

258652416 is an abundant number, since it is smaller than the sum of its proper divisors (536937792).

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

258652416 is a wasteful number, since it uses less digits than its factorization.

258652416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848 (or 1834 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 258652416 is about 16082.6744044640. The cubic root of 258652416 is about 637.1458320339.

The spelling of 258652416 in words is "two hundred fifty-eight million, six hundred fifty-two thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 11 12 16 17 22 24 32 33 34 44 48 51 64 66 68 88 96 102 128 132 136 176 187 192 204 256 264 272 352 374 384 408 528 544 561 704 748 768 816 1056 1088 1122 1408 1496 1632 1801 2112 2176 2244 2816 2992 3264 3602 4224 4352 4488 5403 5984 6528 7204 8448 8976 10806 11968 13056 14408 17952 19811 21612 23936 28816 30617 35904 39622 43224 47872 57632 59433 61234 71808 79244 86448 91851 115264 118866 122468 143616 158488 172896 183702 230528 237732 244936 316976 336787 345792 367404 461056 475464 489872 633952 673574 691584 734808 950928 979744 1010361 1267904 1347148 1383168 1469616 1901856 1959488 2020722 2535808 2694296 2939232 3803712 3918976 4041444 5071616 5388592 5878464 7607424 7837952 8082888 10777184 11756928 15214848 16165776 21554368 23513856 32331552 43108736 64663104 86217472 129326208 258652416