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39421293 = 31031131129
BaseRepresentation
bin1001011001100…
…0010101101101
32202011210211220
42112120111231
540042440133
63524533553
7656034612
oct226302555
982153756
1039421293
112028588a
12112512b9
138223312
145342509
1536da5b3
hex259856d

39421293 has 16 divisors (see below), whose sum is σ = 53589120. Its totient is φ = 25772544.

The previous prime is 39421273. The next prime is 39421301. The reversal of 39421293 is 39212493.

39421293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39421293 - 26 = 39421229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39421223) 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 15 ways as a sum of consecutive naturals, for example, 34353 + ... + 35481.

It is an arithmetic number, because the mean of its divisors is an integer number (3349320).

Almost surely, 239421293 is an apocalyptic number.

It is an amenable number.

39421293 is a deficient number, since it is larger than the sum of its proper divisors (14167827).

39421293 is a wasteful number, since it uses less digits than its factorization.

39421293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its digits is 11664, while the sum is 33.

The square root of 39421293 is about 6278.6378299755. The cubic root of 39421293 is about 340.3378792267.

The spelling of 39421293 in words is "thirty-nine million, four hundred twenty-one thousand, two hundred ninety-three".

Divisors: 1 3 103 113 309 339 1129 3387 11639 34917 116287 127577 348861 382731 13140431 39421293