Search a number
-
+
105122424 = 233111759397
BaseRepresentation
bin1100100010000…
…00101001111000
321022210202212010
412101000221320
5203402404144
614233045520
72414345241
oct621005170
9238722763
10105122424
1154380040
122b2568a0
1318a18224
14dd65cc8
1593675b9
hex6440a78

105122424 has 128 divisors (see below), whose sum is σ = 309484800. Its totient is φ = 29399040.

The previous prime is 105122417. The next prime is 105122453. The reversal of 105122424 is 424221501.

It is a super-2 number, since 2×1051224242 = 22101448055271552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105122424.

It is a congruent number.

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, 264594 + ... + 264990.

It is an arithmetic number, because the mean of its divisors is an integer number (2417850).

Almost surely, 2105122424 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 105122424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154742400).

105122424 is an abundant number, since it is smaller than the sum of its proper divisors (204362376).

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

105122424 is a wasteful number, since it uses less digits than its factorization.

105122424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 105122424 is about 10252.9227052582. The cubic root of 105122424 is about 471.9526788717.

Adding to 105122424 its reverse (424221501), we get a palindrome (529343925).

The spelling of 105122424 in words is "one hundred five million, one hundred twenty-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 17 22 24 33 34 44 51 59 66 68 88 102 118 132 136 177 187 204 236 264 354 374 397 408 472 561 649 708 748 794 1003 1122 1191 1298 1416 1496 1588 1947 2006 2244 2382 2596 3009 3176 3894 4012 4367 4488 4764 5192 6018 6749 7788 8024 8734 9528 11033 12036 13101 13498 15576 17468 20247 22066 23423 24072 26202 26996 33099 34936 40494 44132 46846 52404 53992 66198 70269 74239 80988 88264 93692 104808 132396 140538 148478 161976 187384 222717 257653 264792 281076 296956 398191 445434 515306 562152 593912 772959 796382 890868 1030612 1194573 1545918 1592764 1781736 2061224 2389146 3091836 3185528 4380101 4778292 6183672 8760202 9556584 13140303 17520404 26280606 35040808 52561212 105122424