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32990 = 253299
BaseRepresentation
bin1000000011011110
31200020212
420003132
52023430
6412422
7165116
oct100336
950225
1032990
1122871
1217112
1312029
14c046
159b95
hex80de

32990 has 8 divisors (see below), whose sum is σ = 59400. Its totient is φ = 13192.

The previous prime is 32987. The next prime is 32993. The reversal of 32990 is 9923.

It is an interprime number because it is at equal distance from previous prime (32987) and next prime (32993).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (7425).

232990 is an apocalyptic number.

32990 is a deficient number, since it is larger than the sum of its proper divisors (26410).

32990 is a wasteful number, since it uses less digits than its factorization.

32990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 32990 is about 181.6314950662. The cubic root of 32990 is about 32.0721030390.

The spelling of 32990 in words is "thirty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 3299 6598 16495 32990