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5421210 = 2351571151
BaseRepresentation
bin10100101011100010011010
3101012102111120
4110223202122
52341434320
6312110110
764036164
oct24534232
911172446
105421210
113073043
121995336
13117a722
14a11934
15721440
hex52b89a

5421210 has 32 divisors (see below), whose sum is σ = 13105152. Its totient is φ = 1435200.

The previous prime is 5421209. The next prime is 5421263. The reversal of 5421210 is 121245.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5421210.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (409536).

Almost surely, 25421210 is an apocalyptic number.

5421210 is an abundant number, since it is smaller than the sum of its proper divisors (7683942).

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

5421210 is a wasteful number, since it uses less digits than its factorization.

5421210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 5421210 is about 2328.3492006140. The cubic root of 5421210 is about 175.6704620511.

Adding to 5421210 its reverse (121245), we get a palindrome (5542455).

The spelling of 5421210 in words is "five million, four hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 157 314 471 785 942 1151 1570 2302 2355 3453 4710 5755 6906 11510 17265 34530 180707 361414 542121 903535 1084242 1807070 2710605 5421210