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245134036 = 2278754787
BaseRepresentation
bin11101001110001…
…11001011010100
3122002021002200101
432213013023110
51000223242121
640154023444
76034414330
oct1647071324
9562232611
10245134036
1111640a914
126a117b84
133ba2a934
14247b07c0
15167c2491
hexe9c72d4

245134036 has 12 divisors (see below), whose sum is σ = 490268128. Its totient is φ = 105057432.

The previous prime is 245134031. The next prime is 245134037. The reversal of 245134036 is 630431542.

245134036 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 8754787 = 245134036 / (2 + 4 + 5 + 1 + 3 + 4 + 0 + 3 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 245133995 and 245134013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245134031) 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, 4377366 + ... + 4377421.

Almost surely, 2245134036 is an apocalyptic number.

It is an amenable number.

245134036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

245134036 is a wasteful number, since it uses less digits than its factorization.

245134036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8754798 (or 8754796 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 245134036 is about 15656.7568800183. The cubic root of 245134036 is about 625.8465635306.

Adding to 245134036 its reverse (630431542), we get a palindrome (875565578).

The spelling of 245134036 in words is "two hundred forty-five million, one hundred thirty-four thousand, thirty-six".

Divisors: 1 2 4 7 14 28 8754787 17509574 35019148 61283509 122567018 245134036