Search a number
-
+
14320420 = 2251096569
BaseRepresentation
bin110110101000…
…001100100100
3222221112220221
4312220030210
512131223140
61230534124
7232502332
oct66501444
928845827
1014320420
1180a1164
124967344
132c7522a
141c8ab52
1513cd14a
hexda8324

14320420 has 24 divisors (see below), whose sum is σ = 30353400. Its totient is φ = 5674752.

The previous prime is 14320381. The next prime is 14320447. The reversal of 14320420 is 2402341.

It can be written as a sum of positive squares in 4 ways, for example, as 5308416 + 9012004 = 2304^2 + 3002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14320394 and 14320403.

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, 1105 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (1264725).

Almost surely, 214320420 is an apocalyptic number.

14320420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14320420 is an abundant number, since it is smaller than the sum of its proper divisors (16032980).

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

14320420 is a wasteful number, since it uses less digits than its factorization.

14320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 14320420 is about 3784.2330795024. The cubic root of 14320420 is about 242.8390835146.

Adding to 14320420 its reverse (2402341), we get a palindrome (16722761).

The spelling of 14320420 in words is "fourteen million, three hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 6569 13138 26276 32845 65690 131380 716021 1432042 2864084 3580105 7160210 14320420