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683628 = 223115179
BaseRepresentation
bin10100110111001101100
31021201202120
42212321230
5133334003
622352540
75545041
oct2467154
91251676
10683628
11427690
1228b750
131ac21a
1413b1c8
15d7853
hexa6e6c

683628 has 24 divisors (see below), whose sum is σ = 1740480. Its totient is φ = 207120.

The previous prime is 683603. The next prime is 683651. The reversal of 683628 is 826386.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is an unprimeable number.

683628 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 2458 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (72520).

2683628 is an apocalyptic number.

It is an amenable number.

683628 is an abundant number, since it is smaller than the sum of its proper divisors (1056852).

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

683628 is a wasteful number, since it uses less digits than its factorization.

683628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 5195 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 683628 is about 826.8179969014. The cubic root of 683628 is about 88.0927053337.

The spelling of 683628 in words is "six hundred eighty-three thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 5179 10358 15537 20716 31074 56969 62148 113938 170907 227876 341814 683628