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336820 = 225111531
BaseRepresentation
bin1010010001110110100
3122010000211
41102032310
541234240
611115204
72601661
oct1221664
9563024
10336820
11210070
12142b04
13ba403
148aa68
1569bea
hex523b4

336820 has 24 divisors (see below), whose sum is σ = 772128. Its totient is φ = 122400.

The previous prime is 336803. The next prime is 336823. The reversal of 336820 is 28633.

It is a super-2 number, since 2×3368202 = 226895424800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 336791 and 336800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336823) by changing a digit.

336820 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (32172).

2336820 is an apocalyptic number.

It is an amenable number.

336820 is an abundant number, since it is smaller than the sum of its proper divisors (435308).

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

336820 is a wasteful number, since it uses less digits than its factorization.

336820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 336820 is about 580.3619560240. The cubic root of 336820 is about 69.5770413552.

It can be divided in two parts, 336 and 820, that added together give a square (1156 = 342).

The spelling of 336820 in words is "three hundred thirty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1531 3062 6124 7655 15310 16841 30620 33682 67364 84205 168410 336820