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49508238 = 231341113137
BaseRepresentation
bin1011110011011…
…0111110001110
310110011021112110
42330312332032
5100133230423
64525044450
71140545613
oct274667616
9113137473
1049508238
1125a452aa
12146b6726
13a345620
14680a50a
15452e193
hex2f36f8e

49508238 has 64 divisors (see below), whose sum is σ = 111004992. Its totient is φ = 14622720.

The previous prime is 49508237. The next prime is 49508287. The reversal of 49508238 is 83280594.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 49508196 and 49508205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49508237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361306 + ... + 361442.

It is an arithmetic number, because the mean of its divisors is an integer number (1734453).

Almost surely, 249508238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49508238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55502496).

49508238 is an abundant number, since it is smaller than the sum of its proper divisors (61496754).

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

49508238 is a wasteful number, since it uses less digits than its factorization.

49508238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 49508238 is about 7036.2090645460. The cubic root of 49508238 is about 367.1913906924.

The spelling of 49508238 in words is "forty-nine million, five hundred eight thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 41 78 82 113 123 137 226 246 274 339 411 533 678 822 1066 1469 1599 1781 2938 3198 3562 4407 4633 5343 5617 8814 9266 10686 11234 13899 15481 16851 27798 30962 33702 46443 60229 73021 92886 120458 146042 180687 201253 219063 361374 402506 438126 603759 634721 1207518 1269442 1904163 3808326 8251373 16502746 24754119 49508238