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49889500 = 2253113883
BaseRepresentation
bin1011111001010…
…0000011011100
310110212122112021
42332110003130
5100232431000
64541145524
71144024303
oct276240334
9113778467
1049889500
11261857a1
121485b2a4
13a44a01b
1468a943a
1545a711a
hex2f940dc

49889500 has 48 divisors (see below), whose sum is σ = 110047392. Its totient is φ = 19756800.

The previous prime is 49889491. The next prime is 49889519. The reversal of 49889500 is 598894.

It is a happy number.

49889500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 56059 + ... + 56941.

It is an arithmetic number, because the mean of its divisors is an integer number (2292654).

Almost surely, 249889500 is an apocalyptic number.

49889500 is the 3532-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49889500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55023696).

49889500 is an abundant number, since it is smaller than the sum of its proper divisors (60157892).

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

49889500 is a wasteful number, since it uses less digits than its factorization.

49889500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 49889500 is about 7063.2499601812. The cubic root of 49889500 is about 368.1315593736.

It can be divided in two parts, 498 and 89500, that added together give a palindrome (89998).

The spelling of 49889500 in words is "forty-nine million, eight hundred eighty-nine thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 113 125 226 250 452 500 565 883 1130 1766 2260 2825 3532 4415 5650 8830 11300 14125 17660 22075 28250 44150 56500 88300 99779 110375 199558 220750 399116 441500 498895 997790 1995580 2494475 4988950 9977900 12472375 24944750 49889500