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32940989 = 372513547
BaseRepresentation
bin111110110101…
…0001110111101
32021222120112122
41331222032331
531413102424
63134012325
7546664604
oct175521675
967876478
1032940989
111765a064
12b0470a5
136a94813
144536a3b
152d5a45e
hex1f6a3bd

32940989 has 8 divisors (see below), whose sum is σ = 33975648. Its totient is φ = 31914000.

The previous prime is 32940979. The next prime is 32941001. The reversal of 32940989 is 98904923.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32940989 is a prime.

It is a Duffinian 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 (32940979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7514 + ... + 11060.

It is an arithmetic number, because the mean of its divisors is an integer number (4246956).

Almost surely, 232940989 is an apocalyptic number.

It is an amenable number.

32940989 is a deficient number, since it is larger than the sum of its proper divisors (1034659).

32940989 is a wasteful number, since it uses less digits than its factorization.

32940989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 32940989 is about 5739.4241000295. The cubic root of 32940989 is about 320.5621271968.

The spelling of 32940989 in words is "thirty-two million, nine hundred forty thousand, nine hundred eighty-nine".

Divisors: 1 37 251 3547 9287 131239 890297 32940989