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4900000 = 255572
BaseRepresentation
bin10010101100010010100000
3100012221112111
4102230102200
52223300000
6253005104
756435500
oct22542240
910187474
104900000
112847496
121783794
131027411
14917a00
1566bcba
hex4ac4a0

4900000 has 108 divisors (see below), whose sum is σ = 14026446. Its totient is φ = 1680000.

The previous prime is 4899997. The next prime is 4900001. The reversal of 4900000 is 94.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 7056 + 4892944 = 84^2 + 2212^2 .

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (4900001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 699997 + ... + 700003.

Almost surely, 24900000 is an apocalyptic number.

4900000 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 4900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7013223).

4900000 is an abundant number, since it is smaller than the sum of its proper divisors (9126446).

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

4900000 is an frugal number, since it uses more digits than its factorization.

4900000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 4900000 is about 2213.5943621179. The cubic root of 4900000 is about 169.8499252242.

Adding to 4900000 its reverse (94), we get a palindrome (4900094).

The spelling of 4900000 in words is "four million, nine hundred thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 112 125 140 160 175 196 200 224 245 250 280 350 392 400 490 500 560 625 700 784 800 875 980 1000 1120 1225 1250 1400 1568 1750 1960 2000 2450 2500 2800 3125 3500 3920 4000 4375 4900 5000 5600 6125 6250 7000 7840 8750 9800 10000 12250 12500 14000 17500 19600 20000 21875 24500 25000 28000 30625 35000 39200 43750 49000 50000 61250 70000 87500 98000 100000 122500 140000 153125 175000 196000 245000 306250 350000 490000 612500 700000 980000 1225000 2450000 4900000