Search a number
-
+
4807680 = 21035313
BaseRepresentation
bin10010010101110000000000
3100001020220020
4102111300000
52212321210
6251013440
755602363
oct22256000
910036806
104807680
112794099
12173a280
13cc43a7
148d20da
1564e770
hex495c00

4807680 has 88 divisors (see below), whose sum is σ = 15426192. Its totient is φ = 1277952.

The previous prime is 4807679. The next prime is 4807681. The reversal of 4807680 is 867084.

It is an interprime number because it is at equal distance from previous prime (4807679) and next prime (4807681).

It is a super-3 number, since 3×48076803 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4807681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15204 + ... + 15516.

Almost surely, 24807680 is an apocalyptic number.

4807680 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 4807680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7713096).

4807680 is an abundant number, since it is smaller than the sum of its proper divisors (10618512).

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

4807680 is a wasteful number, since it uses less digits than its factorization.

4807680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 4807680 is about 2192.6422416801. The cubic root of 4807680 is about 168.7764512720.

It can be divided in two parts, 480 and 7680, that multiplied together give a square (3686400 = 19202).

The spelling of 4807680 in words is "four million, eight hundred seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 313 320 384 480 512 626 640 768 939 960 1024 1252 1280 1536 1565 1878 1920 2504 2560 3072 3130 3756 3840 4695 5008 5120 6260 7512 7680 9390 10016 12520 15024 15360 18780 20032 25040 30048 37560 40064 50080 60096 75120 80128 100160 120192 150240 160256 200320 240384 300480 320512 400640 480768 600960 801280 961536 1201920 1602560 2403840 4807680