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25413130 = 2517149489
BaseRepresentation
bin110000011110…
…0011000001010
31202211010021001
41200330120022
523001210010
62304405214
7426002521
oct140743012
952733231
1025413130
1113388296
12861680a
13535a272
1435374b8
15236ec3a
hex183c60a

25413130 has 16 divisors (see below), whose sum is σ = 48434760. Its totient is φ = 9567232.

The previous prime is 25413103. The next prime is 25413139. The reversal of 25413130 is 3131452.

It can be written as a sum of positive squares in 4 ways, for example, as 19158129 + 6255001 = 4377^2 + 2501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25413098 and 25413107.

It is not an unprimeable number, because it can be changed into a prime (25413139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74575 + ... + 74914.

Almost surely, 225413130 is an apocalyptic number.

25413130 is a deficient number, since it is larger than the sum of its proper divisors (23021630).

25413130 is a wasteful number, since it uses less digits than its factorization.

25413130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149513.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 25413130 is about 5041.1437194351. The cubic root of 25413130 is about 294.0036481260.

Adding to 25413130 its reverse (3131452), we get a palindrome (28544582).

It can be divided in two parts, 2541 and 3130, that added together give a triangular number (5671 = T106).

The spelling of 25413130 in words is "twenty-five million, four hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 149489 298978 747445 1494890 2541313 5082626 12706565 25413130