[go: up one dir, main page]

Search a number
-
+
25371396 = 2232704761
BaseRepresentation
bin110000011001…
…0001100000100
31202202000000100
41200302030010
522443341041
62303444100
7425440041
oct140621404
952660010
1025371396
11133599a6
1285b6630
13534427b
1435261c8
1523626b6
hex1832304

25371396 has 18 divisors (see below), whose sum is σ = 64133342. Its totient is φ = 8457120.

The previous prime is 25371391. The next prime is 25371407. The reversal of 25371396 is 69317352.

It can be written as a sum of positive squares in only one way, i.e., 20575296 + 4796100 = 4536^2 + 2190^2 .

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 (36), and also a Moran number because the ratio is a prime number: 704761 = 25371396 / (2 + 5 + 3 + 7 + 1 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 25371396.

It is not an unprimeable number, because it can be changed into a prime (25371391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352345 + ... + 352416.

Almost surely, 225371396 is an apocalyptic number.

It is an amenable number.

25371396 is an abundant number, since it is smaller than the sum of its proper divisors (38761946).

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

25371396 is a wasteful number, since it uses less digits than its factorization.

25371396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704771 (or 704766 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 25371396 is about 5037.0026801661. The cubic root of 25371396 is about 293.8426201975.

The spelling of 25371396 in words is "twenty-five million, three hundred seventy-one thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 704761 1409522 2114283 2819044 4228566 6342849 8457132 12685698 25371396