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2906389037 = 17533225737
BaseRepresentation
bin1010110100111011…
…1111101000101101
321111112212212020102
42231032333220231
521423013422122
61200222000445
7132010620266
oct25516775055
97445785212
102906389037
111261643112
12691416125
13374199b36
141d7dd996d
15120252492
hexad3bfa2d

2906389037 has 8 divisors (see below), whose sum is σ = 3135417336. Its totient is φ = 2683812352.

The previous prime is 2906389027. The next prime is 2906389051. The reversal of 2906389037 is 7309836092.

It can be written as a sum of positive squares in 4 ways, for example, as 2165133961 + 741255076 = 46531^2 + 27226^2 .

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 2906389037 - 24 = 2906389021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2906388982 and 2906389000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906389027) 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, 1611968 + ... + 1613769.

It is an arithmetic number, because the mean of its divisors is an integer number (391927167).

Almost surely, 22906389037 is an apocalyptic number.

It is an amenable number.

2906389037 is a deficient number, since it is larger than the sum of its proper divisors (229028299).

2906389037 is a wasteful number, since it uses less digits than its factorization.

2906389037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225807.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 2906389037 is about 53910.9361539938. The cubic root of 2906389037 is about 1427.0896252703.

The spelling of 2906389037 in words is "two billion, nine hundred six million, three hundred eighty-nine thousand, thirty-seven".

Divisors: 1 17 53 901 3225737 54837529 170964061 2906389037