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25213004 = 226303251
BaseRepresentation
bin110000000101…
…1100001001100
31202102221201222
41200023201030
522423304004
62300222512
7424210205
oct140134114
952387658
1025213004
11132609a3
12853aa38
1352ba14b
1434c45ac
1523307be
hex180b84c

25213004 has 6 divisors (see below), whose sum is σ = 44122764. Its totient is φ = 12606500.

The previous prime is 25212997. The next prime is 25213031. The reversal of 25213004 is 40031252.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151622 + ... + 3151629.

It is an arithmetic number, because the mean of its divisors is an integer number (7353794).

Almost surely, 225213004 is an apocalyptic number.

It is an amenable number.

25213004 is a deficient number, since it is larger than the sum of its proper divisors (18909760).

25213004 is a wasteful number, since it uses less digits than its factorization.

25213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303255 (or 6303253 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25213004 is about 5021.2552215557. The cubic root of 25213004 is about 293.2298630701.

Adding to 25213004 its reverse (40031252), we get a palindrome (65244256).

The spelling of 25213004 in words is "twenty-five million, two hundred thirteen thousand, four".

Divisors: 1 2 4 6303251 12606502 25213004