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332660 = 22516633
BaseRepresentation
bin1010001001101110100
3121220022202
41101031310
541121120
611044032
72553566
oct1211564
9556282
10332660
11207a29
12140618
13b8553
1489336
1568875
hex51374

332660 has 12 divisors (see below), whose sum is σ = 698628. Its totient is φ = 133056.

The previous prime is 332641. The next prime is 332687. The reversal of 332660 is 66233.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80656 + 252004 = 284^2 + 502^2 .

It is a super-2 number, since 2×3326602 = 221325351200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 16633 = 332660 / (3 + 3 + 2 + 6 + 6 + 0).

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8297 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (58219).

2332660 is an apocalyptic number.

It is an amenable number.

332660 is an abundant number, since it is smaller than the sum of its proper divisors (365968).

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

332660 is a wasteful number, since it uses less digits than its factorization.

332660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16642 (or 16640 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 332660 is about 576.7668506424. The cubic root of 332660 is about 69.2894096385.

Adding to 332660 its reverse (66233), we get a palindrome (398893).

The spelling of 332660 in words is "three hundred thirty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 16633 33266 66532 83165 166330 332660