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10047745 = 59720717
BaseRepresentation
bin100110010101…
…000100000001
3200220110220201
4212111010001
510033011440
6555205201
7151255501
oct46250401
920813821
1010047745
115743024
123446801
13210a516
141497a01
15d3719a
hex995101

10047745 has 8 divisors (see below), whose sum is σ = 12182184. Its totient is φ = 7954944.

The previous prime is 10047743. The next prime is 10047761. The reversal of 10047745 is 54774001.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 10042561 = 72^2 + 3169^2 .

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 10047745 - 21 = 10047743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10047743) 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, 9874 + ... + 10843.

It is an arithmetic number, because the mean of its divisors is an integer number (1522773).

Almost surely, 210047745 is an apocalyptic number.

It is an amenable number.

10047745 is a deficient number, since it is larger than the sum of its proper divisors (2134439).

10047745 is an equidigital number, since it uses as much as digits as its factorization.

10047745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20819.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 10047745 is about 3169.8178181088. The cubic root of 10047745 is about 215.7858030362.

The spelling of 10047745 in words is "ten million, forty-seven thousand, seven hundred forty-five".

Divisors: 1 5 97 485 20717 103585 2009549 10047745