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9072939 = 36745139
BaseRepresentation
bin100010100111…
…000100101011
3122001221201210
4202213010223
54310313224
6522244203
7140055501
oct42470453
918057653
109072939
1151376a7
123056663
131b58905
1412c2671
15be3429
hex8a712b

9072939 has 8 divisors (see below), whose sum is σ = 12278080. Its totient is φ = 5958216.

The previous prime is 9072923. The next prime is 9072949. The reversal of 9072939 is 9392709.

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

It is not a de Polignac number, because 9072939 - 24 = 9072923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9072897 and 9072906.

It is not an unprimeable number, because it can be changed into a prime (9072919) 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 7 ways as a sum of consecutive naturals, for example, 22369 + ... + 22770.

It is an arithmetic number, because the mean of its divisors is an integer number (1534760).

Almost surely, 29072939 is an apocalyptic number.

9072939 is a deficient number, since it is larger than the sum of its proper divisors (3205141).

9072939 is a wasteful number, since it uses less digits than its factorization.

9072939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45209.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 9072939 is about 3012.1319692205. The cubic root of 9072939 is about 208.5687941879.

It can be divided in two parts, 9072 and 939, that added together give a triangular number (10011 = T141).

The spelling of 9072939 in words is "nine million, seventy-two thousand, nine hundred thirty-nine".

Divisors: 1 3 67 201 45139 135417 3024313 9072939