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32940681 = 338328669
BaseRepresentation
bin111110110101…
…0001010001001
32021222120010020
41331222022021
531413100211
63134011053
7546663654
oct175521211
967876106
1032940681
1117659904
12b046a89
136a94637
14453689b
152d5a306
hex1f6a289

32940681 has 8 divisors (see below), whose sum is σ = 44037120. Its totient is φ = 21902352.

The previous prime is 32940673. The next prime is 32940689. The reversal of 32940681 is 18604923.

It is an interprime number because it is at equal distance from previous prime (32940673) and next prime (32940689).

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

It is not a de Polignac number, because 32940681 - 23 = 32940673 is a prime.

It is a super-2 number, since 2×329406812 = 2170176929487522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32940689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13186 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (5504640).

Almost surely, 232940681 is an apocalyptic number.

It is an amenable number.

32940681 is a deficient number, since it is larger than the sum of its proper divisors (11096439).

32940681 is a wasteful number, since it uses less digits than its factorization.

32940681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29055.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 32940681 is about 5739.3972680065. The cubic root of 32940681 is about 320.5611281027.

The spelling of 32940681 in words is "thirty-two million, nine hundred forty thousand, six hundred eighty-one".

Divisors: 1 3 383 1149 28669 86007 10980227 32940681