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39379207 = 731892039
BaseRepresentation
bin1001011000111…
…0000100000111
32202002200010011
42112032010013
540040113312
63524011051
7655501120
oct226160407
982080104
1039379207
11202571aa
1211230a87
13820a10a
145331047
1536ccda7
hex258e107

39379207 has 16 divisors (see below), whose sum is σ = 47001600. Its totient is φ = 32281920.

The previous prime is 39379201. The next prime is 39379213. The reversal of 39379207 is 70297393.

It is an interprime number because it is at equal distance from previous prime (39379201) and next prime (39379213).

It is a cyclic number.

It is not a de Polignac number, because 39379207 - 23 = 39379199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39379207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39379201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18294 + ... + 20332.

It is an arithmetic number, because the mean of its divisors is an integer number (2937600).

Almost surely, 239379207 is an apocalyptic number.

39379207 is a deficient number, since it is larger than the sum of its proper divisors (7622393).

39379207 is a wasteful number, since it uses less digits than its factorization.

39379207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

The product of its (nonzero) digits is 71442, while the sum is 40.

The square root of 39379207 is about 6275.2854118359. The cubic root of 39379207 is about 340.2167216902.

The spelling of 39379207 in words is "thirty-nine million, three hundred seventy-nine thousand, two hundred seven".

Divisors: 1 7 31 89 217 623 2039 2759 14273 19313 63209 181471 442463 1270297 5625601 39379207