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25424268 = 2232118689
BaseRepresentation
bin110000011111…
…1000110001100
31202211200112120
41200333012030
523002034033
62304532540
7426050142
oct140770614
952750476
1025424268
11133956a1
128621150
13536235c
14353b592
1523731b3
hex183f18c

25424268 has 12 divisors (see below), whose sum is σ = 59323320. Its totient is φ = 8474752.

The previous prime is 25424263. The next prime is 25424303. The reversal of 25424268 is 86242452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (25424263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059333 + ... + 1059356.

It is an arithmetic number, because the mean of its divisors is an integer number (4943610).

Almost surely, 225424268 is an apocalyptic number.

It is an amenable number.

25424268 is an abundant number, since it is smaller than the sum of its proper divisors (33899052).

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

25424268 is a wasteful number, since it uses less digits than its factorization.

25424268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118696 (or 2118694 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 25424268 is about 5042.2483080467. The cubic root of 25424268 is about 294.0465935687.

The spelling of 25424268 in words is "twenty-five million, four hundred twenty-four thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2118689 4237378 6356067 8474756 12712134 25424268