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306996 = 22325583
BaseRepresentation
bin1001010111100110100
3120121010020
41022330310
534310441
610325140
72416014
oct1127464
9517106
10306996
1119a718
121297b0
13a9971
147dc44
1560e66
hex4af34

306996 has 12 divisors (see below), whose sum is σ = 716352. Its totient is φ = 102328.

The previous prime is 306991. The next prime is 307009. The reversal of 306996 is 699603.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306996.

It is not an unprimeable number, because it can be changed into a prime (306991) by changing a digit.

306996 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 3 ways as a sum of consecutive naturals, for example, 12780 + ... + 12803.

It is an arithmetic number, because the mean of its divisors is an integer number (59696).

2306996 is an apocalyptic number.

It is an amenable number.

306996 is an abundant number, since it is smaller than the sum of its proper divisors (409356).

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

306996 is a wasteful number, since it uses less digits than its factorization.

306996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25590 (or 25588 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 306996 is about 554.0721974617. The cubic root of 306996 is about 67.4596741300.

The spelling of 306996 in words is "three hundred six thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 25583 51166 76749 102332 153498 306996