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625252994 = 21095715023
BaseRepresentation
bin100101010001001…
…001101010000010
31121120112010212022
4211101021222002
52240031043434
6142013201442
721331364012
oct4521115202
91546463768
10625252994
112a0a36913
12155490282
139c6cacb2
145d07bc42
1539d5a22e
hex25449a82

625252994 has 16 divisors (see below), whose sum is σ = 948330240. Its totient is φ = 309154320.

The previous prime is 625252961. The next prime is 625253003. The reversal of 625252994 is 499252526.

It is a super-3 number, since 3×6252529943 (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121967 + ... + 126989.

It is an arithmetic number, because the mean of its divisors is an integer number (59270640).

Almost surely, 2625252994 is an apocalyptic number.

625252994 is a deficient number, since it is larger than the sum of its proper divisors (323077246).

625252994 is a wasteful number, since it uses less digits than its factorization.

625252994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705.

The product of its digits is 388800, while the sum is 44.

The square root of 625252994 is about 25005.0593680559. The cubic root of 625252994 is about 855.1033214171.

The spelling of 625252994 in words is "six hundred twenty-five million, two hundred fifty-two thousand, nine hundred ninety-four".

Divisors: 1 2 109 218 571 1142 5023 10046 62239 124478 547507 1095014 2868133 5736266 312626497 625252994