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49075668 = 22321725389
BaseRepresentation
bin1011101100110…
…1010111010100
310102100022011100
42323031113110
5100030410133
64511510100
71134064515
oct273152724
9112308140
1049075668
112577a304
1214528330
13a223775
146736a0c
154495e13
hex2ecd5d4

49075668 has 108 divisors (see below), whose sum is σ = 135773820. Its totient is φ = 14936064.

The previous prime is 49075667. The next prime is 49075673. The reversal of 49075668 is 86657094.

It can be written as a sum of positive squares in 6 ways, for example, as 2862864 + 46212804 = 1692^2 + 6798^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49075667) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 551368 + ... + 551456.

It is an arithmetic number, because the mean of its divisors is an integer number (1257165).

Almost surely, 249075668 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 49075668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67886910).

49075668 is an abundant number, since it is smaller than the sum of its proper divisors (86698152).

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

49075668 is a wasteful number, since it uses less digits than its factorization.

49075668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 49075668 is about 7005.4027721467. The cubic root of 49075668 is about 366.1188362654.

The spelling of 49075668 in words is "forty-nine million, seventy-five thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 53 68 89 102 106 153 159 178 204 212 267 289 306 318 356 477 534 578 612 636 801 867 901 954 1068 1156 1513 1602 1734 1802 1908 2601 2703 3026 3204 3468 3604 4539 4717 5202 5406 6052 8109 9078 9434 10404 10812 13617 14151 15317 16218 18156 18868 25721 27234 28302 30634 32436 42453 45951 51442 54468 56604 61268 77163 80189 84906 91902 102884 137853 154326 160378 169812 183804 231489 240567 275706 308652 320756 462978 481134 551412 721701 925956 962268 1363213 1443402 2726426 2886804 4089639 5452852 8179278 12268917 16358556 24537834 49075668