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49916940 = 22357910531
BaseRepresentation
bin1011111001101…
…0110000001100
310110221001011120
42332122300030
5100234320230
64541520540
71144200303
oct276326014
9113831146
1049916940
11261a4377
1214873150
13a459668
1468b543a
1545b0310
hex2f9ac0c

49916940 has 48 divisors (see below), whose sum is σ = 141550080. Its totient is φ = 13141440.

The previous prime is 49916929. The next prime is 49916963. The reversal of 49916940 is 4961994.

49916940 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 = 49916892 and 49916901.

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, 526 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (2948960).

Almost surely, 249916940 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 49916940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70775040).

49916940 is an abundant number, since it is smaller than the sum of its proper divisors (91633140).

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

49916940 is a wasteful number, since it uses less digits than its factorization.

49916940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622 (or 10620 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 49916940 is about 7065.1921417609. The cubic root of 49916940 is about 368.1990396955.

The spelling of 49916940 in words is "forty-nine million, nine hundred sixteen thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 10531 21062 31593 42124 52655 63186 105310 126372 157965 210620 315930 631860 831949 1663898 2495847 3327796 4159745 4991694 8319490 9983388 12479235 16638980 24958470 49916940