Search a number
-
+
2303100420 = 2235278913763
BaseRepresentation
bin1000100101000110…
…1000011000000100
312221111200121211120
42021101220120010
514204043203140
61020311233540
7111034013325
oct21121503004
95844617746
102303100420
11a82049485
125433788b0
132a91bc41a
1417bc3844c
15d72d51d0
hex89468604

2303100420 has 48 divisors (see below), whose sum is σ = 6451462080. Its totient is φ = 613895296.

The previous prime is 2303100407. The next prime is 2303100427. The reversal of 2303100420 is 240013032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2303100420.

It is not an unprimeable number, because it can be changed into a prime (2303100427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160459 + ... + 174221.

It is an arithmetic number, because the mean of its divisors is an integer number (134405460).

Almost surely, 22303100420 is an apocalyptic number.

2303100420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303100420 is an abundant number, since it is smaller than the sum of its proper divisors (4148361660).

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

2303100420 is a wasteful number, since it uses less digits than its factorization.

2303100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564 (or 16562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2303100420 is about 47990.6284601483. The cubic root of 2303100420 is about 1320.5989820589.

Adding to 2303100420 its reverse (240013032), we get a palindrome (2543113452).

The spelling of 2303100420 in words is "two billion, three hundred three million, one hundred thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2789 5578 8367 11156 13763 13945 16734 27526 27890 33468 41289 41835 55052 55780 68815 82578 83670 137630 165156 167340 206445 275260 412890 825780 38385007 76770014 115155021 153540028 191925035 230310042 383850070 460620084 575775105 767700140 1151550210 2303100420