Search a number
-
+
4721393130 = 235417948589
BaseRepresentation
bin1000110010110101…
…01011110111101010
3110012001010121210020
410121122223313222
534132134040010
62100255501310
7225000115356
oct43132536752
913161117706
104721393130
1120031155a3
12ab9227836
135a321135c
1432b09a466
151c9771470
hex1196abdea

4721393130 has 64 divisors (see below), whose sum is σ = 11754892800. Its totient is φ = 1212756480.

The previous prime is 4721393113. The next prime is 4721393143. The reversal of 4721393130 is 313931274.

It is a super-2 number, since 2×47213931302 = 44583106176022393800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4721393091 and 4721393100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72876 + ... + 121464.

It is an arithmetic number, because the mean of its divisors is an integer number (183670200).

Almost surely, 24721393130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4721393130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5877446400).

4721393130 is an abundant number, since it is smaller than the sum of its proper divisors (7033499670).

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

4721393130 is a wasteful number, since it uses less digits than its factorization.

4721393130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48719.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 4721393130 is about 68712.3942968079. The cubic root of 4721393130 is about 1677.6063239444.

The spelling of 4721393130 in words is "four billion, seven hundred twenty-one million, three hundred ninety-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41 79 82 123 158 205 237 246 395 410 474 615 790 1185 1230 2370 3239 6478 9717 16195 19434 32390 48585 48589 97170 97178 145767 242945 291534 485890 728835 1457670 1992149 3838531 3984298 5976447 7677062 9960745 11515593 11952894 19192655 19921490 23031186 29882235 38385310 57577965 59764470 115155930 157379771 314759542 472139313 786898855 944278626 1573797710 2360696565 4721393130