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421310 = 2542131
BaseRepresentation
bin1100110110110111110
3210101221002
41212312332
5101440220
613010302
73403211
oct1466676
9711832
10421310
1126859a
12183992
131199c6
14ad778
1584c75
hex66dbe

421310 has 8 divisors (see below), whose sum is σ = 758376. Its totient is φ = 168520.

The previous prime is 421303. The next prime is 421313. The reversal of 421310 is 13124.

It is a happy number.

421310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4213102 = 355004232200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421291 and 421300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421313) 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 3 ways as a sum of consecutive naturals, for example, 21056 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (94797).

2421310 is an apocalyptic number.

421310 is a deficient number, since it is larger than the sum of its proper divisors (337066).

421310 is a wasteful number, since it uses less digits than its factorization.

421310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42138.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 421310 is about 649.0839699145. The cubic root of 421310 is about 74.9665035606.

Adding to 421310 its reverse (13124), we get a palindrome (434434).

The spelling of 421310 in words is "four hundred twenty-one thousand, three hundred ten", and thus it is an iban number.

Divisors: 1 2 5 10 42131 84262 210655 421310