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2575461001 = 19226712
BaseRepresentation
bin1001100110000010…
…0110101010001001
320122111011222022111
42121200212222021
520233304223001
61103321022321
7120552025441
oct23140465211
96574158274
102575461001
111101864a73
125ba6249a1
13320760829
141a6095121
15101184851
hex99826a89

2575461001 has 9 divisors (see below), whose sum is σ = 2719163853. Its totient is φ = 2438996940.

The previous prime is 2575460989. The next prime is 2575461023. The reversal of 2575461001 is 1001645752.

The square root of 2575461001 is 50749.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2575461001 - 213 = 2575452809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2575461101) 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 8 ways as a sum of consecutive naturals, for example, 962896 + ... + 965566.

It is an arithmetic number, because the mean of its divisors is an integer number (302129317).

Almost surely, 22575461001 is an apocalyptic number.

2575461001 is the 50749-th square number.

2575461001 is the 25375-th centered octagonal number.

It is an amenable number.

2575461001 is a deficient number, since it is larger than the sum of its proper divisors (143702852).

2575461001 is an frugal number, since it uses more digits than its factorization.

2575461001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The cubic root of 2575461001 is about 1370.7291838116.

The spelling of 2575461001 in words is "two billion, five hundred seventy-five million, four hundred sixty-one thousand, one".

Divisors: 1 19 361 2671 50749 964231 7134241 135550579 2575461001