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245074212 = 223218793623
BaseRepresentation
bin11101001101110…
…00100100100100
3122002011001121200
432212320210210
51000214333322
640152442500
76034045035
oct1646704444
9562131550
10245074212
11116379979
126a0a9430
133ba09636
1424796a8c
15167ae8ac
hexe9b8924

245074212 has 36 divisors (see below), whose sum is σ = 619993920. Its totient is φ = 81625392.

The previous prime is 245074187. The next prime is 245074229. The reversal of 245074212 is 212470542.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2450742122 = 120122738774841888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65833 + ... + 69455.

Almost surely, 2245074212 is an apocalyptic number.

It is an amenable number.

245074212 is an abundant number, since it is smaller than the sum of its proper divisors (374919708).

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

245074212 is a wasteful number, since it uses less digits than its factorization.

245074212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 245074212 is about 15654.8462783893. The cubic root of 245074212 is about 625.7956475887.

The spelling of 245074212 in words is "two hundred forty-five million, seventy-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 1879 3623 3758 5637 7246 7516 10869 11274 14492 16911 21738 22548 32607 33822 43476 65214 67644 130428 6807617 13615234 20422851 27230468 40845702 61268553 81691404 122537106 245074212