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2570004 = 223271389
BaseRepresentation
bin1001110011011100010100
311211120101100
421303130110
51124220004
6131030100
730562503
oct11633424
94746340
102570004
1114a5978
12a3b330
136bca18
144ac83a
1535b739
hex273714

2570004 has 18 divisors (see below), whose sum is σ = 6496490. Its totient is φ = 856656.

The previous prime is 2569979. The next prime is 2570011. The reversal of 2570004 is 4000752.

It is a happy number.

2570004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 3600 = 1602^2 + 60^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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, 35659 + ... + 35730.

22570004 is an apocalyptic number.

It is an amenable number.

2570004 is an abundant number, since it is smaller than the sum of its proper divisors (3926486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2570004 is a wasteful number, since it uses less digits than its factorization.

2570004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71399 (or 71394 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2570004 is about 1603.1232017534. The cubic root of 2570004 is about 136.9760378643.

Adding to 2570004 its reverse (4000752), we get a palindrome (6570756).

The spelling of 2570004 in words is "two million, five hundred seventy thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 71389 142778 214167 285556 428334 642501 856668 1285002 2570004