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2057611250 = 25412832
BaseRepresentation
bin111101010100100…
…1010011111110010
312022101202111000002
41322221022133302
513203222030000
6540101430002
7101663256422
oct17251123762
95271674002
102057611250
11966516872
1249510b302
1326a398c66
141573b4482
15c09928d5
hex7aa4a7f2

2057611250 has 30 divisors (see below), whose sum is σ = 3859794939. Its totient is φ = 822403000.

The previous prime is 2057611249. The next prime is 2057611291. The reversal of 2057611250 is 521167502.

It can be written as a sum of positive squares in 3 ways, for example, as 475719721 + 1581891529 = 21811^2 + 39773^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=32075.

It is a super-2 number, since 2×20576112502 = 8467528112253125000, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1603109 + ... + 1604391.

Almost surely, 22057611250 is an apocalyptic number.

2057611250 is a deficient number, since it is larger than the sum of its proper divisors (1802183689).

2057611250 is an frugal number, since it uses more digits than its factorization.

2057611250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 2057611250 is about 45360.9000131170. The cubic root of 2057611250 is about 1271.9043185976.

Adding to 2057611250 its reverse (521167502), we get a palindrome (2578778752).

The spelling of 2057611250 in words is "two billion, fifty-seven million, six hundred eleven thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 1283 2566 6415 12830 32075 64150 160375 320750 801875 1603750 1646089 3292178 8230445 16460890 41152225 82304450 205761125 411522250 1028805625 2057611250