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3897160045 = 55437143357
BaseRepresentation
bin1110100001001001…
…1111000101101101
3101001121012020112221
43220102133011231
530440133110140
61442413355341
7165401212432
oct35022370555
911047166487
103897160045
11171a933029
12909198b51
134a152537c
1428d823b89
1517c20e14a
hexe849f16d

3897160045 has 8 divisors (see below), whose sum is σ = 4677484824. Its totient is φ = 3117132864.

The previous prime is 3897160031. The next prime is 3897160049. The reversal of 3897160045 is 5400617983.

It can be written as a sum of positive squares in 4 ways, for example, as 1207493001 + 2689667044 = 34749^2 + 51862^2 .

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 3897160045 - 217 = 3897028973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3897159983 and 3897160010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897160049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44494 + ... + 98863.

It is an arithmetic number, because the mean of its divisors is an integer number (584685603).

Almost surely, 23897160045 is an apocalyptic number.

It is an amenable number.

3897160045 is a deficient number, since it is larger than the sum of its proper divisors (780324779).

3897160045 is a wasteful number, since it uses less digits than its factorization.

3897160045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148799.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 3897160045 is about 62427.2380055373. The cubic root of 3897160045 is about 1573.6787501629.

The spelling of 3897160045 in words is "three billion, eight hundred ninety-seven million, one hundred sixty thousand, forty-five".

Divisors: 1 5 5437 27185 143357 716785 779432009 3897160045