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30260625 = 35416139
BaseRepresentation
bin111001101101…
…1110110010001
32002221101202220
41303123312101
530221320000
63000331253
7515132253
oct163336621
962841686
1030260625
111609928a
12a173b29
1363667c5
144039cd3
1529cb1a0
hex1cdbd91

30260625 has 20 divisors (see below), whose sum is σ = 50421360. Its totient is φ = 16138000.

The previous prime is 30260603. The next prime is 30260627. The reversal of 30260625 is 52606203.

It is not a de Polignac number, because 30260625 - 213 = 30252433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30260595 and 30260604.

It is not an unprimeable number, because it can be changed into a prime (30260627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6195 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (2521068).

Almost surely, 230260625 is an apocalyptic number.

It is an amenable number.

30260625 is a deficient number, since it is larger than the sum of its proper divisors (20160735).

30260625 is an equidigital number, since it uses as much as digits as its factorization.

30260625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16162 (or 16147 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30260625 is about 5500.9658242894. The cubic root of 30260625 is about 311.6204601668.

Adding to 30260625 its reverse (52606203), we get a palindrome (82866828).

The spelling of 30260625 in words is "thirty million, two hundred sixty thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 625 1875 16139 48417 80695 242085 403475 1210425 2017375 6052125 10086875 30260625