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39790331 = 712014733
BaseRepresentation
bin1001011111001…
…0011011111011
32202212120001222
42113302123323
540141242311
63540502255
7662132540
oct227623373
982776058
1039790331
1120508079
12113aa98b
138322299
1453dabc7
15375eadb
hex25f26fb

39790331 has 8 divisors (see below), whose sum is σ = 45522144. Its totient is φ = 34070400.

The previous prime is 39790327. The next prime is 39790337. The reversal of 39790331 is 13309793.

It is a happy number.

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

It is not a de Polignac number, because 39790331 - 22 = 39790327 is a prime.

It is a super-2 number, since 2×397903312 = 3166540882179122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39790291 and 39790300.

It is not an unprimeable number, because it can be changed into a prime (39790337) 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, 6041 + ... + 10773.

It is an arithmetic number, because the mean of its divisors is an integer number (5690268).

Almost surely, 239790331 is an apocalyptic number.

39790331 is a deficient number, since it is larger than the sum of its proper divisors (5731813).

39790331 is a wasteful number, since it uses less digits than its factorization.

39790331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941.

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 39790331 is about 6307.9577519194. The cubic root of 39790331 is about 341.3965939785.

The spelling of 39790331 in words is "thirty-nine million, seven hundred ninety thousand, three hundred thirty-one".

Divisors: 1 7 1201 4733 8407 33131 5684333 39790331