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49917168 = 2433717971
BaseRepresentation
bin1011111001101…
…0110011110000
310110221001111000
42332122303300
5100234322133
64541522000
71144201050
oct276326360
9113831430
1049917168
11261a4564
1214873300
13a4597b2
1468b5560
1545b0413
hex2f9acf0

49917168 has 160 divisors (see below), whose sum is σ = 173560320. Its totient is φ = 13409280.

The previous prime is 49917167. The next prime is 49917173. The reversal of 49917168 is 86171994.

It is a happy number.

It is a super-2 number, since 2×499171682 = 4983447322280448, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49917167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50923 + ... + 51893.

It is an arithmetic number, because the mean of its divisors is an integer number (1084752).

Almost surely, 249917168 is an apocalyptic number.

49917168 is a gapful number since it is divisible by the number (48) 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 49917168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86780160).

49917168 is an abundant number, since it is smaller than the sum of its proper divisors (123643152).

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

49917168 is a wasteful number, since it uses less digits than its factorization.

49917168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1000 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 49917168 is about 7065.2082771848. The cubic root of 49917168 is about 368.1996002884.

The spelling of 49917168 in words is "forty-nine million, nine hundred seventeen thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 34 36 42 48 51 54 56 63 68 72 84 102 108 112 119 126 136 144 153 168 189 204 216 238 252 272 306 336 357 378 408 432 459 476 504 612 714 756 816 918 952 971 1008 1071 1224 1428 1512 1836 1904 1942 2142 2448 2856 2913 3024 3213 3672 3884 4284 5712 5826 6426 6797 7344 7768 8568 8739 11652 12852 13594 15536 16507 17136 17478 20391 23304 25704 26217 27188 33014 34956 40782 46608 49521 51408 52434 54376 61173 66028 69912 81564 99042 104868 108752 115549 122346 132056 139824 148563 163128 183519 198084 209736 231098 244692 264112 297126 326256 346647 367038 396168 419472 445689 462196 489384 594252 693294 734076 792336 891378 924392 978768 1039941 1188504 1386588 1468152 1782756 1848784 2079882 2377008 2773176 2936304 3119823 3565512 4159764 5546352 6239646 7131024 8319528 12479292 16639056 24958584 49917168