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245049238 = 2717503517
BaseRepresentation
bin11101001101100…
…10011110010110
3122002002210100201
432212302132112
51000213033423
640152131114
76033612160
oct1646623626
9562083321
10245049238
11116362135
126a096a9a
133b9cb165
142478b930
15167a72ad
hexe9b2796

245049238 has 8 divisors (see below), whose sum is σ = 420084432. Its totient is φ = 105021096.

The previous prime is 245049223. The next prime is 245049239. The reversal of 245049238 is 832940542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 245049197 and 245049206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245049239) 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, 8751745 + ... + 8751772.

It is an arithmetic number, because the mean of its divisors is an integer number (52510554).

Almost surely, 2245049238 is an apocalyptic number.

245049238 is a deficient number, since it is larger than the sum of its proper divisors (175035194).

245049238 is a wasteful number, since it uses less digits than its factorization.

245049238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17503526.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 245049238 is about 15654.0486136974. The cubic root of 245049238 is about 625.7743898762.

The spelling of 245049238 in words is "two hundred forty-five million, forty-nine thousand, two hundred thirty-eight".

Divisors: 1 2 7 14 17503517 35007034 122524619 245049238