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945113561 = 7197106117
BaseRepresentation
bin111000010101010…
…100100111011001
32102212101202001222
4320111110213121
53413422113221
6233441021425
732264222060
oct7025244731
92385352058
10945113561
11445545897
12224624875
13120a608c2
148d7411d7
1557e8d9ab
hex385549d9

945113561 has 8 divisors (see below), whose sum is σ = 1136978880. Its totient is φ = 767460528.

The previous prime is 945113557. The next prime is 945113563. The reversal of 945113561 is 165311549.

945113561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 945113561 - 22 = 945113557 is a prime.

It is a super-2 number, since 2×9451135612 = 1786479286372201442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945113563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3552926 + ... + 3553191.

It is an arithmetic number, because the mean of its divisors is an integer number (142122360).

Almost surely, 2945113561 is an apocalyptic number.

It is an amenable number.

945113561 is a deficient number, since it is larger than the sum of its proper divisors (191865319).

945113561 is a wasteful number, since it uses less digits than its factorization.

945113561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106143.

The product of its digits is 16200, while the sum is 35.

The square root of 945113561 is about 30742.6993121944. The cubic root of 945113561 is about 981.3592000071.

The spelling of 945113561 in words is "nine hundred forty-five million, one hundred thirteen thousand, five hundred sixty-one".

Divisors: 1 7 19 133 7106117 49742819 135016223 945113561