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49384830 = 23511178803
BaseRepresentation
bin1011110001100…
…0110101111110
310102221000020210
42330120311332
5100120303310
64522253250
71136523045
oct274306576
9112830223
1049384830
1125970610
1214657226
13a3013c1
1467b755c
154507820
hex2f18d7e

49384830 has 64 divisors (see below), whose sum is σ = 136919808. Its totient is φ = 11266560.

The previous prime is 49384799. The next prime is 49384843. The reversal of 49384830 is 3848394.

It is a super-2 number, since 2×493848302 = 4877722868257800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209 + ... + 10011.

It is an arithmetic number, because the mean of its divisors is an integer number (2139372).

Almost surely, 249384830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49384830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68459904).

49384830 is an abundant number, since it is smaller than the sum of its proper divisors (87534978).

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

49384830 is a wasteful number, since it uses less digits than its factorization.

49384830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 49384830 is about 7027.4340978767. The cubic root of 49384830 is about 366.8860404414.

The spelling of 49384830 in words is "forty-nine million, three hundred eighty-four thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 51 55 66 85 102 110 165 170 187 255 330 374 510 561 935 1122 1870 2805 5610 8803 17606 26409 44015 52818 88030 96833 132045 149651 193666 264090 290499 299302 448953 484165 580998 748255 897906 968330 1452495 1496510 1646161 2244765 2904990 3292322 4489530 4938483 8230805 9876966 16461610 24692415 49384830