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2545144250 = 25311284137
BaseRepresentation
bin1001011110110011…
…1101000110111010
320120101010201112212
42113230331012322
520203024104000
61100315135122
7120033240425
oct22754750672
96511121485
102545144250
111096738600
125b04444a2
133173a761c
141a20429bc
15ed696c35
hex97b3d1ba

2545144250 has 48 divisors (see below), whose sum is σ = 5237085672. Its totient is φ = 925496000.

The previous prime is 2545144247. The next prime is 2545144253. The reversal of 2545144250 is 524415452.

It is an interprime number because it is at equal distance from previous prime (2545144247) and next prime (2545144253).

It can be written as a sum of positive squares in 4 ways, for example, as 1209022441 + 1336121809 = 34771^2 + 36553^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2545144253) 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 23 ways as a sum of consecutive naturals, for example, 11819 + ... + 72318.

Almost surely, 22545144250 is an apocalyptic number.

2545144250 is an abundant number, since it is smaller than the sum of its proper divisors (2691941422).

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

2545144250 is a wasteful number, since it uses less digits than its factorization.

2545144250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84176 (or 84155 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2545144250 is about 50449.4226924352. The cubic root of 2545144250 is about 1365.3294789815.

The spelling of 2545144250 in words is "two billion, five hundred forty-five million, one hundred forty-four thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 125 242 250 275 550 605 1210 1375 2750 3025 6050 15125 30250 84137 168274 420685 841370 925507 1851014 2103425 4206850 4627535 9255070 10180577 10517125 20361154 21034250 23137675 46275350 50902885 101805770 115688375 231376750 254514425 509028850 1272572125 2545144250