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49700000 = 2555771
BaseRepresentation
bin1011110110010…
…1110010100000
310110112000120202
42331211302200
5100210400000
64533124332
71142304650
oct275456240
9113460522
1049700000
1126066389
12147896a8
13a3b19ac
14685a360
15456add5
hex2f65ca0

49700000 has 144 divisors (see below), whose sum is σ = 141740928. Its totient is φ = 16800000.

The previous prime is 49699963. The next prime is 49700011. The reversal of 49700000 is 794.

49700000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 23 ways as a sum of consecutive naturals, for example, 699965 + ... + 700035.

It is an arithmetic number, because the mean of its divisors is an integer number (984312).

Almost surely, 249700000 is an apocalyptic number.

49700000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70870464).

49700000 is an abundant number, since it is smaller than the sum of its proper divisors (92040928).

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

49700000 is an frugal number, since it uses more digits than its factorization.

49700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 49700000 is about 7049.8226928058. The cubic root of 49700000 is about 367.6648650199.

Adding to 49700000 its reverse (794), we get a palindrome (49700794).

The spelling of 49700000 in words is "forty-nine million, seven hundred thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 71 80 100 112 125 140 142 160 175 200 224 250 280 284 350 355 400 497 500 560 568 625 700 710 800 875 994 1000 1120 1136 1250 1400 1420 1750 1775 1988 2000 2272 2485 2500 2800 2840 3125 3500 3550 3976 4000 4375 4970 5000 5600 5680 6250 7000 7100 7952 8750 8875 9940 10000 11360 12425 12500 14000 14200 15904 17500 17750 19880 20000 21875 24850 25000 28000 28400 35000 35500 39760 43750 44375 49700 50000 56800 62125 70000 71000 79520 87500 88750 99400 100000 124250 140000 142000 175000 177500 198800 221875 248500 284000 310625 350000 355000 397600 443750 497000 621250 700000 710000 887500 994000 1242500 1420000 1553125 1775000 1988000 2485000 3106250 3550000 4970000 6212500 7100000 9940000 12425000 24850000 49700000