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2480557 = 7733209
BaseRepresentation
bin1001011101100110101101
311200000200111
421131212231
51113334212
6125100021
730040642
oct11354655
94600614
102480557
111444752
129b7611
1368b0b1
14487dc9
1533eea7
hex25d9ad

2480557 has 4 divisors (see below), whose sum is σ = 2484540. Its totient is φ = 2476576.

The previous prime is 2480551. The next prime is 2480563. The reversal of 2480557 is 7550842.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2480551) and next prime (2480563).

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 1798281 = 826^2 + 1341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2480557 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 219 + 4 + 8 + 0 + 55 + 59 + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2480551) 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, 832 + ... + 2377.

It is an arithmetic number, because the mean of its divisors is an integer number (621135).

22480557 is an apocalyptic number.

It is an amenable number.

2480557 is a deficient number, since it is larger than the sum of its proper divisors (3983).

2480557 is an equidigital number, since it uses as much as digits as its factorization.

2480557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2480557 is about 1574.9784125505. The cubic root of 2480557 is about 135.3681219395.

The spelling of 2480557 in words is "two million, four hundred eighty thousand, five hundred fifty-seven".

Divisors: 1 773 3209 2480557