Search a number
-
+
68227404 = 223721931197
BaseRepresentation
bin1000001000100…
…01000101001100
311202101022101220
410010101011030
5114431234104
610434203340
71455631500
oct404210514
9152338356
1068227404
1135570293
121aa23550
131119aa5b
1490c0300
155eca7d9
hex411114c

68227404 has 144 divisors (see below), whose sum is σ = 202245120. Its totient is φ = 17781120.

The previous prime is 68227381. The next prime is 68227417. The reversal of 68227404 is 40472286.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346234 + ... + 346430.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

Almost surely, 268227404 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 68227404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101122560).

68227404 is an abundant number, since it is smaller than the sum of its proper divisors (134017716).

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

68227404 is a wasteful number, since it uses less digits than its factorization.

68227404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 68227404 is about 8259.9881355847. The cubic root of 68227404 is about 408.6199964386.

The spelling of 68227404 in words is "sixty-eight million, two hundred twenty-seven thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 31 38 42 49 57 62 76 84 93 98 114 124 133 147 186 196 197 217 228 266 294 372 394 399 434 532 588 589 591 651 788 798 868 931 1178 1182 1302 1379 1519 1596 1767 1862 2356 2364 2604 2758 2793 3038 3534 3724 3743 4123 4137 4557 5516 5586 6076 6107 7068 7486 8246 8274 9114 9653 11172 11229 12214 12369 14972 16492 16548 18228 18321 19306 22458 24428 24738 26201 28861 28959 36642 38612 42749 44916 49476 52402 57722 57918 73284 78603 85498 86583 104804 115444 115836 116033 128247 157206 170996 173166 183407 232066 256494 299243 314412 346332 348099 366814 464132 512988 550221 598486 696198 733628 812231 897729 1100442 1196972 1392396 1624462 1795458 2200884 2436693 3248924 3590916 4873386 5685617 9746772 11371234 17056851 22742468 34113702 68227404