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620361 = 32743229
BaseRepresentation
bin10010111011101001001
31011111222100
42113131021
5124322421
621144013
75162430
oct2273511
91144870
10620361
113940a5
1225b009
131894a1
14122117
15c3c26
hex97749

620361 has 24 divisors (see below), whose sum is σ = 1052480. Its totient is φ = 344736.

The previous prime is 620359. The next prime is 620363. The reversal of 620361 is 163026.

It is a happy number.

620361 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (620359) and next prime (620363).

It is not a de Polignac number, because 620361 - 21 = 620359 is a prime.

It is a Duffinian number.

620361 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (620363) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2595 + ... + 2823.

2620361 is an apocalyptic number.

It is an amenable number.

620361 is a deficient number, since it is larger than the sum of its proper divisors (432119).

620361 is a wasteful number, since it uses less digits than its factorization.

620361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 620361 is about 787.6299892716. The cubic root of 620361 is about 85.2867363737.

Adding to 620361 its reverse (163026), we get a palindrome (783387).

The spelling of 620361 in words is "six hundred twenty thousand, three hundred sixty-one".