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1630414625 = 5371863331
BaseRepresentation
bin110000100101110…
…0010011100100001
311012121220122101212
41201023202130201
511314341232000
6425441235505
755255203260
oct14113423441
94177818355
101630414625
11767365704
12396032b95
131cca246a8
141167705d7
159820ac35
hex612e2721

1630414625 has 16 divisors (see below), whose sum is σ = 2325438336. Its totient is φ = 1117998000.

The previous prime is 1630414609. The next prime is 1630414627. The reversal of 1630414625 is 5264140361.

It is not a de Polignac number, because 1630414625 - 24 = 1630414609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1630414591 and 1630414600.

It is not an unprimeable number, because it can be changed into a prime (1630414627) 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 15 ways as a sum of consecutive naturals, for example, 930791 + ... + 932540.

It is an arithmetic number, because the mean of its divisors is an integer number (145339896).

Almost surely, 21630414625 is an apocalyptic number.

It is an amenable number.

1630414625 is a deficient number, since it is larger than the sum of its proper divisors (695023711).

1630414625 is an equidigital number, since it uses as much as digits as its factorization.

1630414625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863353 (or 1863343 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1630414625 is about 40378.3930462816. The cubic root of 1630414625 is about 1176.9717008673.

Adding to 1630414625 its reverse (5264140361), we get a palindrome (6894554986).

The spelling of 1630414625 in words is "one billion, six hundred thirty million, four hundred fourteen thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 1863331 9316655 13043317 46583275 65216585 232916375 326082925 1630414625