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2545707025 = 52100912
BaseRepresentation
bin1001011110111100…
…0110100000010001
320120102012022112101
42113233012200101
520203200111100
61100335200401
7120041103241
oct22757064021
96512168471
102545707025
111096a92404
125b0676101
13317543824
141a214bb21
15ed75886a
hex97bc6811

2545707025 has 9 divisors (see below), whose sum is σ = 3156989563. Its totient is φ = 2036363800.

The previous prime is 2545706959. The next prime is 2545707067. The reversal of 2545707025 is 5207075452.

The square root of 2545707025 is 50455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 916454529 + 1629252496 = 30273^2 + 40364^2 .

It is not a de Polignac number, because 2545707025 - 211 = 2545704977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 247230 + ... + 257320.

Almost surely, 22545707025 is an apocalyptic number.

2545707025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2545707025 is the 50455-th square number.

2545707025 is the 25228-th centered octagonal number.

It is an amenable number.

2545707025 is a deficient number, since it is larger than the sum of its proper divisors (611282538).

2545707025 is an frugal number, since it uses more digits than its factorization.

2545707025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192 (or 10096 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The cubic root of 2545707025 is about 1365.4301041453.

The spelling of 2545707025 in words is "two billion, five hundred forty-five million, seven hundred seven thousand, twenty-five".

Divisors: 1 5 25 10091 50455 252275 101828281 509141405 2545707025