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625382042 = 22910782449
BaseRepresentation
bin100101010001101…
…001001010011010
31121120202200212212
4211101221022122
52240044211132
6142020035122
721332442155
oct4521511232
91546680785
10625382042
112a101486a
12155532aa2
139c74495c
145d0b2c9c
1539d835b2
hex2546929a

625382042 has 8 divisors (see below), whose sum is σ = 970420500. Its totient is φ = 301908544.

The previous prime is 625382041. The next prime is 625382083. The reversal of 625382042 is 240283526.

It can be written as a sum of positive squares in 2 ways, for example, as 600691081 + 24690961 = 24509^2 + 4969^2 .

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

It is a super-2 number, since 2×6253820422 = 782205396912179528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (625382041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5391167 + ... + 5391282.

Almost surely, 2625382042 is an apocalyptic number.

625382042 is a deficient number, since it is larger than the sum of its proper divisors (345038458).

625382042 is a wasteful number, since it uses less digits than its factorization.

625382042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782480.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 625382042 is about 25007.6396727080. The cubic root of 625382042 is about 855.1621465559.

The spelling of 625382042 in words is "six hundred twenty-five million, three hundred eighty-two thousand, forty-two".

Divisors: 1 2 29 58 10782449 21564898 312691021 625382042