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1457825 = 5258313
BaseRepresentation
bin101100011111010100001
32202001202112
411203322201
5333122300
651125105
715251135
oct5437241
92661675
101457825
11906316
125a3795
133c0725
1429d3c5
151dbe35
hex163ea1

1457825 has 6 divisors (see below), whose sum is σ = 1807734. Its totient is φ = 1166240.

The previous prime is 1457821. The next prime is 1457849. The reversal of 1457825 is 5287541.

It can be written as a sum of positive squares in 3 ways, for example, as 183184 + 1274641 = 428^2 + 1129^2 .

It is not a de Polignac number, because 1457825 - 22 = 1457821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1457791 and 1457800.

It is not an unprimeable number, because it can be changed into a prime (1457821) 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 5 ways as a sum of consecutive naturals, for example, 29132 + ... + 29181.

It is an arithmetic number, because the mean of its divisors is an integer number (301289).

21457825 is an apocalyptic number.

It is an amenable number.

1457825 is a deficient number, since it is larger than the sum of its proper divisors (349909).

1457825 is an equidigital number, since it uses as much as digits as its factorization.

1457825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58323 (or 58318 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 1457825 is about 1207.4042405094. The cubic root of 1457825 is about 113.3883575563.

It can be divided in two parts, 1457 and 825, that multiplied together give a triangular number (1202025 = T1550).

The spelling of 1457825 in words is "one million, four hundred fifty-seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 58313 291565 1457825