Search a number
-
+
264630408 = 233779127157
BaseRepresentation
bin11111100010111…
…11000010001000
3200102221121200020
433301133002020
51020221133113
642131540440
76362215140
oct1761370210
9612847606
10264630408
11126416819
127475a720
1342a95a53
1427207920
1518374023
hexfc5f088

264630408 has 128 divisors (see below), whose sum is σ = 776601600. Its totient is φ = 73592064.

The previous prime is 264630343. The next prime is 264630427. The reversal of 264630408 is 804036462.

264630408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1685466 + ... + 1685622.

It is an arithmetic number, because the mean of its divisors is an integer number (6067200).

Almost surely, 2264630408 is an apocalyptic number.

264630408 is a gapful number since it is divisible by the number (28) 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 264630408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388300800).

264630408 is an abundant number, since it is smaller than the sum of its proper divisors (511971192).

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

264630408 is a wasteful number, since it uses less digits than its factorization.

264630408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 264630408 is about 16267.4647072001. The cubic root of 264630408 is about 642.0170801252.

The spelling of 264630408 in words is "two hundred sixty-four million, six hundred thirty thousand, four hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 79 84 127 157 158 168 237 254 314 316 381 471 474 508 553 628 632 762 889 942 948 1016 1099 1106 1256 1524 1659 1778 1884 1896 2198 2212 2667 3048 3297 3318 3556 3768 4396 4424 5334 6594 6636 7112 8792 10033 10668 12403 13188 13272 19939 20066 21336 24806 26376 30099 37209 39878 40132 49612 59817 60198 70231 74418 79756 80264 86821 99224 119634 120396 139573 140462 148836 159512 173642 210693 239268 240792 260463 279146 280924 297672 347284 418719 421386 478536 520926 558292 561848 694568 837438 842772 1041852 1116584 1575181 1674876 1685544 2083704 3150362 3349752 4725543 6300724 9451086 11026267 12601448 18902172 22052534 33078801 37804344 44105068 66157602 88210136 132315204 264630408