Search a number
-
+
10321420 = 2251134567
BaseRepresentation
bin100111010111…
…111000001100
3201102101022211
4213113320030
510120241140
61005120204
7153505414
oct47277014
921371284
1010321420
11590a6aa
123559064
1321a4c65
141529644
15d8d2ea
hex9d7e0c

10321420 has 24 divisors (see below), whose sum is σ = 21871584. Its totient is φ = 4091136.

The previous prime is 10321403. The next prime is 10321439. The reversal of 10321420 is 2412301.

It is a self number, because there is not a number n which added to its sum of digits gives 10321420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (911316).

Almost surely, 210321420 is an apocalyptic number.

10321420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321420 is an abundant number, since it is smaller than the sum of its proper divisors (11550164).

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

10321420 is a wasteful number, since it uses less digits than its factorization.

10321420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10321420 is about 3212.6966865859. The cubic root of 10321420 is about 217.7274319811.

Adding to 10321420 its reverse (2412301), we get a palindrome (12733721).

The spelling of 10321420 in words is "ten million, three hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 4567 9134 18268 22835 45670 91340 516071 1032142 2064284 2580355 5160710 10321420