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625385513 = 1934079661
BaseRepresentation
bin100101010001101…
…010000000101001
31121120202212122102
4211101222000221
52240044314023
6142020103145
721332455244
oct4521520051
91546685572
10625385513
112a1017435
12155534ab5
139c7463cc
145d0b425b
1539d84628
hex2546a029

625385513 has 8 divisors (see below), whose sum is σ = 658561920. Its totient is φ = 592235280.

The previous prime is 625385483. The next prime is 625385521. The reversal of 625385513 is 315583526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625385513 - 228 = 356950057 is a prime.

It is a super-2 number, since 2×6253855132 = 782214079740546338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625385533) by changing a digit.

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, 59903 + ... + 69563.

It is an arithmetic number, because the mean of its divisors is an integer number (82320240).

Almost surely, 2625385513 is an apocalyptic number.

It is an amenable number.

625385513 is a deficient number, since it is larger than the sum of its proper divisors (33176407).

625385513 is a wasteful number, since it uses less digits than its factorization.

625385513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13087.

The product of its digits is 108000, while the sum is 38.

The square root of 625385513 is about 25007.7090714044. The cubic root of 625385513 is about 855.1637286620.

The spelling of 625385513 in words is "six hundred twenty-five million, three hundred eighty-five thousand, five hundred thirteen".

Divisors: 1 19 3407 9661 64733 183559 32915027 625385513