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33079921 = 714293307
BaseRepresentation
bin111111000110…
…0001001110001
32022020122010021
41332030021301
531432024141
63141003441
7551113630
oct176141161
968218107
1033079921
1117744486
12b0b3581
136b12b24
144571517
152d866d1
hex1f8c271

33079921 has 8 divisors (see below), whose sum is σ = 37843520. Its totient is φ = 28325808.

The previous prime is 33079919. The next prime is 33079927. The reversal of 33079921 is 12997033.

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

It is not a de Polignac number, because 33079921 - 21 = 33079919 is a prime.

It is a Duffinian number.

33079921 is a modest number, since divided by 9921 gives 3307 as remainder.

It is not an unprimeable number, because it can be changed into a prime (33079927) 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, 8350 + ... + 11656.

It is an arithmetic number, because the mean of its divisors is an integer number (4730440).

Almost surely, 233079921 is an apocalyptic number.

It is an amenable number.

33079921 is a deficient number, since it is larger than the sum of its proper divisors (4763599).

33079921 is a wasteful number, since it uses less digits than its factorization.

33079921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 33079921 is about 5751.5146700674. The cubic root of 33079921 is about 321.0121629822.

The spelling of 33079921 in words is "thirty-three million, seventy-nine thousand, nine hundred twenty-one".

Divisors: 1 7 1429 3307 10003 23149 4725703 33079921