Search a number
-
+
4213901394 = 2365775009
BaseRepresentation
bin1111101100101011…
…0000100001010010
3101212200012101000000
43323022300201102
532112224321034
61534050310430
7206265366543
oct37312604122
911780171000
104213901394
11187270153a
12997288416
135220352a1
142bd9144ca
15199e28599
hexfb2b0852

4213901394 has 56 divisors (see below), whose sum is σ = 9495262620. Its totient is φ = 1401919488.

The previous prime is 4213901387. The next prime is 4213901441. The reversal of 4213901394 is 4931093124.

It can be written as a sum of positive squares in 2 ways, for example, as 3753155169 + 460746225 = 61263^2 + 21465^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 838762 + ... + 843770.

Almost surely, 24213901394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4213901394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4747631310).

4213901394 is an abundant number, since it is smaller than the sum of its proper divisors (5281361226).

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

4213901394 is an equidigital number, since it uses as much as digits as its factorization.

4213901394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606 (or 5591 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 4213901394 is about 64914.5699669959. The cubic root of 4213901394 is about 1615.2067577086.

The spelling of 4213901394 in words is "four billion, two hundred thirteen million, nine hundred one thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 577 729 1154 1458 1731 3462 5009 5193 10018 10386 15027 15579 30054 31158 45081 46737 90162 93474 135243 140211 270486 280422 405729 420633 811458 841266 1217187 2434374 2890193 3651561 5780386 7303122 8670579 17341158 26011737 52023474 78035211 156070422 234105633 468211266 702316899 1404633798 2106950697 4213901394