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49622540 = 22511593823
BaseRepresentation
bin1011110101001…
…0111000001100
310110101002022212
42331102320030
5100200410130
64531325552
71141533062
oct275227014
9113332285
1049622540
1126013170
12147508b8
13a385666
14683a032
154552e95
hex2f52e0c

49622540 has 48 divisors (see below), whose sum is σ = 115637760. Its totient is φ = 17734080.

The previous prime is 49622533. The next prime is 49622549. The reversal of 49622540 is 4522694.

49622540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49622497 and 49622506.

It is not an unprimeable number, because it can be changed into a prime (49622549) 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, 11069 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (2409120).

Almost surely, 249622540 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 49622540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57818880).

49622540 is an abundant number, since it is smaller than the sum of its proper divisors (66015220).

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

49622540 is a wasteful number, since it uses less digits than its factorization.

49622540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 49622540 is about 7044.3267953723. The cubic root of 49622540 is about 367.4737575165.

The spelling of 49622540 in words is "forty-nine million, six hundred twenty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 59 110 118 220 236 295 590 649 1180 1298 2596 3245 3823 6490 7646 12980 15292 19115 38230 42053 76460 84106 168212 210265 225557 420530 451114 841060 902228 1127785 2255570 2481127 4511140 4962254 9924508 12405635 24811270 49622540