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49492644 = 22317191132
BaseRepresentation
bin1011110011001…
…1001010100100
310110010111010220
42330303022210
5100132231034
64524444340
71140452265
oct274631244
9113114126
1049492644
1125a34613
12146a96b0
13a33b4b6
14680496c
154529749
hex2f332a4

49492644 has 72 divisors (see below), whose sum is σ = 129860640. Its totient is φ = 14579712.

The previous prime is 49492603. The next prime is 49492657. The reversal of 49492644 is 44629494.

49492644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×494926442 = 4899043620221472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49492596 and 49492605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437932 + ... + 438044.

It is an arithmetic number, because the mean of its divisors is an integer number (1803620).

Almost surely, 249492644 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 49492644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64930320).

49492644 is an abundant number, since it is smaller than the sum of its proper divisors (80367996).

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

49492644 is a wasteful number, since it uses less digits than its factorization.

49492644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 154 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 49492644 is about 7035.1008521556. The cubic root of 49492644 is about 367.1528342550.

The spelling of 49492644 in words is "forty-nine million, four hundred ninety-two thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 17 19 34 38 51 57 68 76 102 113 114 204 226 228 323 339 452 646 678 969 1292 1356 1921 1938 2147 3842 3876 4294 5763 6441 7684 8588 11526 12769 12882 23052 25538 25764 36499 38307 51076 72998 76614 109497 145996 153228 217073 218994 242611 434146 437988 485222 651219 727833 868292 970444 1302438 1455666 2604876 2911332 4124387 8248774 12373161 16497548 24746322 49492644