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39069901 = 133005377
BaseRepresentation
bin1001010100001…
…0100011001101
32201111221211101
42111002203031
540000214101
63513223101
7653042263
oct225024315
981457741
1039069901
1120065882
1211101a91
13812c3b0
145290433
15366b401
hex25428cd

39069901 has 4 divisors (see below), whose sum is σ = 42075292. Its totient is φ = 36064512.

The previous prime is 39069887. The next prime is 39069917. The reversal of 39069901 is 10996093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20016676 + 19053225 = 4474^2 + 4365^2 .

It is a cyclic number.

It is not a de Polignac number, because 39069901 - 29 = 39069389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39069991) 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 3 ways as a sum of consecutive naturals, for example, 1502676 + ... + 1502701.

It is an arithmetic number, because the mean of its divisors is an integer number (10518823).

Almost surely, 239069901 is an apocalyptic number.

It is an amenable number.

39069901 is a deficient number, since it is larger than the sum of its proper divisors (3005391).

39069901 is a wasteful number, since it uses less digits than its factorization.

39069901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005390.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 39069901 is about 6250.5920519580. The cubic root of 39069901 is about 339.3236294196.

The spelling of 39069901 in words is "thirty-nine million, sixty-nine thousand, nine hundred one".

Divisors: 1 13 3005377 39069901