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3785849073 = 32420649897
BaseRepresentation
bin1110000110100111…
…0111100011110001
3100202211202001121100
43201221313203301
530223134132243
61423355515013
7162550120566
oct34151674361
910684661540
103785849073
111673016496
12897a58a69
134844513a6
1427cb2a86d
151725730d3
hexe1a778f1

3785849073 has 6 divisors (see below), whose sum is σ = 5468448674. Its totient is φ = 2523899376.

The previous prime is 3785849071. The next prime is 3785849087. The reversal of 3785849073 is 3709485873.

3785849073 is a `hidden beast` number, since 3 + 7 + 85 + 8 + 490 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3781881009 + 3968064 = 61497^2 + 1992^2 .

It is not a de Polignac number, because 3785849073 - 21 = 3785849071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3785849071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210324940 + ... + 210324957.

Almost surely, 23785849073 is an apocalyptic number.

It is an amenable number.

3785849073 is a deficient number, since it is larger than the sum of its proper divisors (1682599601).

3785849073 is a wasteful number, since it uses less digits than its factorization.

3785849073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420649903 (or 420649900 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 3785849073 is about 61529.2537984982. The cubic root of 3785849073 is about 1558.5512894248.

The spelling of 3785849073 in words is "three billion, seven hundred eighty-five million, eight hundred forty-nine thousand, seventy-three".

Divisors: 1 3 9 420649897 1261949691 3785849073