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2039708257 = 73230912101
BaseRepresentation
bin111100110010011…
…0111101001100001
312021011001220201021
41321210313221201
513134131131012
6534222005441
7101355143206
oct17144675141
95234056637
102039708257
119573a9004
1248b116881
1326676b182
14154c73cad
15be108007
hex79937a61

2039708257 has 8 divisors (see below), whose sum is σ = 2068715880. Its totient is φ = 2010729600.

The previous prime is 2039708219. The next prime is 2039708309. The reversal of 2039708257 is 7528079302.

It can be written as a sum of positive squares in 4 ways, for example, as 1431789921 + 607918336 = 37839^2 + 24656^2 .

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 2039708257 - 27 = 2039708129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2039708357) 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, 162507 + ... + 174607.

It is an arithmetic number, because the mean of its divisors is an integer number (258589485).

Almost surely, 22039708257 is an apocalyptic number.

It is an amenable number.

2039708257 is a deficient number, since it is larger than the sum of its proper divisors (29007623).

2039708257 is a wasteful number, since it uses less digits than its factorization.

2039708257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14483.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 2039708257 is about 45163.1293977731. The cubic root of 2039708257 is about 1268.2046794566.

The spelling of 2039708257 in words is "two billion, thirty-nine million, seven hundred eight thousand, two hundred fifty-seven".

Divisors: 1 73 2309 12101 168557 883373 27941209 2039708257