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182940 = 22353049
BaseRepresentation
bin101100101010011100
3100021221120
4230222130
521323230
63530540
71361232
oct545234
9307846
10182940
1111549a
1289a50
1365364
144a952
1539310
hex2ca9c

182940 has 24 divisors (see below), whose sum is σ = 512400. Its totient is φ = 48768.

The previous prime is 182933. The next prime is 182953. The reversal of 182940 is 49281.

Added to its reverse (49281) it gives a triangular number (232221 = T681).

182940 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 182940.

It is a congruent number.

It is an unprimeable number.

182940 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, 1465 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (21350).

2182940 is an apocalyptic number.

182940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182940 is an abundant number, since it is smaller than the sum of its proper divisors (329460).

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

182940 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (182939) it forms an eRAP, since the sums of their prime factors are consecutive (3060 and 3061).

182940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 182940 is about 427.7148582876. The cubic root of 182940 is about 56.7679082090.

Adding to 182940 its reverse (49281), we get a triangular number (232221 = T681).

The spelling of 182940 in words is "one hundred eighty-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3049 6098 9147 12196 15245 18294 30490 36588 45735 60980 91470 182940