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2057170724 = 227210495769
BaseRepresentation
bin111101010011101…
…1110111100100100
312022100221002201022
41322213132330210
513203113430344
6540044150312
7101656443200
oct17247367444
95270832638
102057170724
119662458a4
12494b38398
1326a2735ab
141572dbb00
15c09070ee
hex7a9def24

2057170724 has 18 divisors (see below), whose sum is σ = 4187812230. Its totient is φ = 881644512.

The previous prime is 2057170721. The next prime is 2057170811. The reversal of 2057170724 is 4270717502.

It can be written as a sum of positive squares in only one way, i.e., 1213268224 + 843902500 = 34832^2 + 29050^2 .

It is not an unprimeable number, because it can be changed into a prime (2057170721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5247689 + ... + 5248080.

It is an arithmetic number, because the mean of its divisors is an integer number (232656235).

Almost surely, 22057170724 is an apocalyptic number.

It is an amenable number.

2057170724 is an abundant number, since it is smaller than the sum of its proper divisors (2130641506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057170724 is a wasteful number, since it uses less digits than its factorization.

2057170724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495787 (or 10495778 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 2057170724 is about 45356.0439632912. The cubic root of 2057170724 is about 1271.8135423131.

The spelling of 2057170724 in words is "two billion, fifty-seven million, one hundred seventy thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 10495769 20991538 41983076 73470383 146940766 293881532 514292681 1028585362 2057170724