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461720125 = 533693761
BaseRepresentation
bin11011100001010…
…100101000111101
31012011210210221101
4123201110220331
51421200021000
6113452133101
714304361546
oct3341245075
91164723841
10461720125
112176a1189
1210a767191
1374871499
144546d4cd
152a805e6a
hex1b854a3d

461720125 has 8 divisors (see below), whose sum is σ = 576226872. Its totient is φ = 369376000.

The previous prime is 461720113. The next prime is 461720167. The reversal of 461720125 is 521027164.

It can be written as a sum of positive squares in 4 ways, for example, as 115648516 + 346071609 = 10754^2 + 18603^2 .

It is not a de Polignac number, because 461720125 - 27 = 461719997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461720093 and 461720102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846756 + ... + 1847005.

It is an arithmetic number, because the mean of its divisors is an integer number (72028359).

Almost surely, 2461720125 is an apocalyptic number.

It is an amenable number.

461720125 is a deficient number, since it is larger than the sum of its proper divisors (114506747).

461720125 is an equidigital number, since it uses as much as digits as its factorization.

461720125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693776 (or 3693766 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 461720125 is about 21487.6737922000. The cubic root of 461720125 is about 772.9052694181.

Adding to 461720125 its reverse (521027164), we get a palindrome (982747289).

It can be divided in two parts, 4617 and 20125, that added together give a palindrome (24742).

The spelling of 461720125 in words is "four hundred sixty-one million, seven hundred twenty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 3693761 18468805 92344025 461720125