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35072009 = 75010287
BaseRepresentation
bin1000010111001…
…0100000001001
32102222211202022
42011302200021
532434301014
63251414225
7604051520
oct205624011
972884668
1035072009
1118885135
12b8b4375
13735c78b
14492d4b7
15312ba8e
hex2172809

35072009 has 4 divisors (see below), whose sum is σ = 40082304. Its totient is φ = 30061716.

The previous prime is 35071997. The next prime is 35072017. The reversal of 35072009 is 90027053.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-35072009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35072029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505137 + ... + 2505150.

It is an arithmetic number, because the mean of its divisors is an integer number (10020576).

Almost surely, 235072009 is an apocalyptic number.

It is an amenable number.

35072009 is a deficient number, since it is larger than the sum of its proper divisors (5010295).

35072009 is an equidigital number, since it uses as much as digits as its factorization.

35072009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010294.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 35072009 is about 5922.1625273206. The cubic root of 35072009 is about 327.3308070767.

The spelling of 35072009 in words is "thirty-five million, seventy-two thousand, nine".

Divisors: 1 7 5010287 35072009