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49036820 = 2257418543
BaseRepresentation
bin1011101100001…
…1111000010100
310102021022212112
42323003320110
5100023134240
64511010152
71133543330
oct273037024
9112238775
1049036820
11257530a8
1214509958
13a20bb91
1467267c0
154489665
hex2ec3e14

49036820 has 48 divisors (see below), whose sum is σ = 120572928. Its totient is φ = 16400640.

The previous prime is 49036807. The next prime is 49036829. The reversal of 49036820 is 2863094.

49036820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49036829) by changing a digit.

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, 1469 + ... + 10011.

It is an arithmetic number, because the mean of its divisors is an integer number (2511936).

Almost surely, 249036820 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 49036820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60286464).

49036820 is an abundant number, since it is smaller than the sum of its proper divisors (71536108).

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

49036820 is a wasteful number, since it uses less digits than its factorization.

49036820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600 (or 8598 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 49036820 is about 7002.6295061213. The cubic root of 49036820 is about 366.0222049494.

The spelling of 49036820 in words is "forty-nine million, thirty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 410 574 820 1148 1435 2870 5740 8543 17086 34172 42715 59801 85430 119602 170860 239204 299005 350263 598010 700526 1196020 1401052 1751315 2451841 3502630 4903682 7005260 9807364 12259205 24518410 49036820