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10303420 = 2252711901
BaseRepresentation
bin100111010011…
…011110111100
3201101110122011
4213103132330
510114202140
61004501004
7153402061
oct47233674
921343564
1010303420
1158a8126
12354a764
1321999ca
141522c68
15d87cea
hex9d37bc

10303420 has 24 divisors (see below), whose sum is σ = 21728448. Its totient is φ = 4104000.

The previous prime is 10303409. The next prime is 10303429. The reversal of 10303420 is 2430301.

It is a self number, because there is not a number n which added to its sum of digits gives 10303420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4470 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (905352).

Almost surely, 210303420 is an apocalyptic number.

10303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10303420 is an abundant number, since it is smaller than the sum of its proper divisors (11425028).

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

10303420 is a wasteful number, since it uses less digits than its factorization.

10303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 10303420 is about 3209.8940792493. The cubic root of 10303420 is about 217.6007900328.

Adding to 10303420 its reverse (2430301), we get a palindrome (12733721).

The spelling of 10303420 in words is "ten million, three hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 1901 2710 3802 5420 7604 9505 19010 38020 515171 1030342 2060684 2575855 5151710 10303420