Search a number
-
+
246256820 = 22522735417
BaseRepresentation
bin11101010110110…
…01010010110100
3122011101010211222
432223121102310
51001020204240
640234045512
76050101625
oct1653312264
9564333758
10246256820
11117007437
126a579898
133c0319c4
14249c3a4c
1516944eb5
hexead94b4

246256820 has 24 divisors (see below), whose sum is σ = 517462344. Its totient is φ = 98441216.

The previous prime is 246256807. The next prime is 246256847. The reversal of 246256820 is 28652642.

It can be written as a sum of positive squares in 4 ways, for example, as 21196816 + 225060004 = 4604^2 + 15002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42752 + ... + 48168.

It is an arithmetic number, because the mean of its divisors is an integer number (21560931).

Almost surely, 2246256820 is an apocalyptic number.

246256820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

246256820 is an abundant number, since it is smaller than the sum of its proper divisors (271205524).

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

246256820 is a wasteful number, since it uses less digits than its factorization.

246256820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699 (or 7697 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 246256820 is about 15692.5721282395. The cubic root of 246256820 is about 626.8006271385.

The spelling of 246256820 in words is "two hundred forty-six million, two hundred fifty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 2273 4546 5417 9092 10834 11365 21668 22730 27085 45460 54170 108340 12312841 24625682 49251364 61564205 123128410 246256820