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10210420 = 2251146411
BaseRepresentation
bin100110111100…
…110001110100
3201012202001201
4212330301310
510103213140
61002502244
7152533663
oct46746164
921182051
1010210420
115844270
123504984
13216658c
1414dadda
15d6a49a
hex9bcc74

10210420 has 24 divisors (see below), whose sum is σ = 23391648. Its totient is φ = 3712800.

The previous prime is 10210399. The next prime is 10210427. The reversal of 10210420 is 2401201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10210397 and 10210406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210427) by changing a digit.

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, 22986 + ... + 23425.

It is an arithmetic number, because the mean of its divisors is an integer number (974652).

Almost surely, 210210420 is an apocalyptic number.

10210420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210420 is an abundant number, since it is smaller than the sum of its proper divisors (13181228).

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

10210420 is a wasteful number, since it uses less digits than its factorization.

10210420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46431 (or 46429 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10210420 is about 3195.3747824003. The cubic root of 10210420 is about 216.9441126862.

Adding to 10210420 its reverse (2401201), we get a palindrome (12611621).

The spelling of 10210420 in words is "ten million, two hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 46411 92822 185644 232055 464110 510521 928220 1021042 2042084 2552605 5105210 10210420