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245125242 = 23213618069
BaseRepresentation
bin11101001110001…
…01000001111010
3122002020122121200
432213011001322
51000223001432
640153515030
76034346565
oct1647050172
9562218550
10245125242
1111640424a
126a112a76
133ba2692b
14247ab4dc
15167bea7c
hexe9c507a

245125242 has 12 divisors (see below), whose sum is σ = 531104730. Its totient is φ = 81708408.

The previous prime is 245125211. The next prime is 245125273. The reversal of 245125242 is 242521542.

245125242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245125211) and next prime (245125273).

It can be written as a sum of positive squares in only one way, i.e., 194017041 + 51108201 = 13929^2 + 7149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6809017 + ... + 6809052.

Almost surely, 2245125242 is an apocalyptic number.

245125242 is an abundant number, since it is smaller than the sum of its proper divisors (285979488).

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

245125242 is a wasteful number, since it uses less digits than its factorization.

245125242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13618077 (or 13618074 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 245125242 is about 15656.4760402844. The cubic root of 245125242 is about 625.8390795155.

Adding to 245125242 its reverse (242521542), we get a palindrome (487646784).

The spelling of 245125242 in words is "two hundred forty-five million, one hundred twenty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 13618069 27236138 40854207 81708414 122562621 245125242