Search a number
-
+
47803420 = 2257248779
BaseRepresentation
bin1011011001011…
…0110000011100
310022221122222001
42312112300130
544214202140
64424332044
71120215400
oct266266034
9108848861
1047803420
1124a90465
1214014024
139b99662
1464c5100
1542e3e9a
hex2d96c1c

47803420 has 36 divisors (see below), whose sum is σ = 116779320. Its totient is φ = 16389408.

The previous prime is 47803409. The next prime is 47803421. The reversal of 47803420 is 2430874.

47803420 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 (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47803421) 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 11 ways as a sum of consecutive naturals, for example, 23410 + ... + 25369.

It is an arithmetic number, because the mean of its divisors is an integer number (3243870).

Almost surely, 247803420 is an apocalyptic number.

It is an amenable number.

47803420 is an abundant number, since it is smaller than the sum of its proper divisors (68975900).

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

47803420 is a wasteful number, since it uses less digits than its factorization.

47803420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48802 (or 48793 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 47803420 is about 6914.0017356087. The cubic root of 47803420 is about 362.9273153451.

The spelling of 47803420 in words is "forty-seven million, eight hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 48779 97558 195116 243895 341453 487790 682906 975580 1365812 1707265 2390171 3414530 4780342 6829060 9560684 11950855 23901710 47803420