Search a number
-
+
49303638 = 23217161123
BaseRepresentation
bin1011110000010…
…1000001010110
310102202212212200
42330011001112
5100110204023
64520425330
71136034246
oct274050126
9112685780
1049303638
112591560a
1214618246
13a2a3467
146795b26
1544dd743
hex2f05056

49303638 has 24 divisors (see below), whose sum is σ = 113109048. Its totient is φ = 15467712.

The previous prime is 49303633. The next prime is 49303649. The reversal of 49303638 is 83630394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49303633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80256 + ... + 80867.

It is an arithmetic number, because the mean of its divisors is an integer number (4712877).

Almost surely, 249303638 is an apocalyptic number.

49303638 is an abundant number, since it is smaller than the sum of its proper divisors (63805410).

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

49303638 is a wasteful number, since it uses less digits than its factorization.

49303638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161148 (or 161145 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 49303638 is about 7021.6549331336. The cubic root of 49303638 is about 366.6848683343.

The spelling of 49303638 in words is "forty-nine million, three hundred three thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 161123 322246 483369 966738 1450107 2739091 2900214 5478182 8217273 16434546 24651819 49303638