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10420326 = 23671021
BaseRepresentation
bin100111110000…
…000001100110
3201121102000000
4213300001212
510131422301
61011202130
7154366650
oct47600146
921542000
1010420326
115977a44
1235a6346
13220ac97
1415536d0
15dac786
hex9f0066

10420326 has 56 divisors (see below), whose sum is σ = 26809104. Its totient is φ = 2974320.

The previous prime is 10420321. The next prime is 10420327. The reversal of 10420326 is 62302401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10420299 and 10420308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420321) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9696 + ... + 10716.

It is an arithmetic number, because the mean of its divisors is an integer number (478734).

Almost surely, 210420326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10420326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13404552).

10420326 is an abundant number, since it is smaller than the sum of its proper divisors (16388778).

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

10420326 is an equidigital number, since it uses as much as digits as its factorization.

10420326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 10420326 is about 3228.0529735430. The cubic root of 10420326 is about 218.4206869669.

Adding to 10420326 its reverse (62302401), we get a palindrome (72722727).

The spelling of 10420326 in words is "ten million, four hundred twenty thousand, three hundred twenty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 729 1021 1134 1458 1701 2042 3063 3402 5103 6126 7147 9189 10206 14294 18378 21441 27567 42882 55134 64323 82701 128646 165402 192969 248103 385938 496206 578907 744309 1157814 1488618 1736721 3473442 5210163 10420326