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245045379 = 3352723159
BaseRepresentation
bin11101001101100…
…01100010000011
3122002002121001210
432212301202003
51000212423004
640152101203
76033565005
oct1646614203
9562077053
10245045379
1111635a247
126a094803
133b9c9487
142478a375
15167a6089
hexe9b1883

245045379 has 8 divisors (see below), whose sum is σ = 326833920. Its totient is φ = 163310216.

The previous prime is 245045369. The next prime is 245045419. The reversal of 245045379 is 973540542.

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

It is a cyclic number.

It is not a de Polignac number, because 245045379 - 24 = 245045363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245045369) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 999 + ... + 22160.

It is an arithmetic number, because the mean of its divisors is an integer number (40854240).

Almost surely, 2245045379 is an apocalyptic number.

245045379 is a deficient number, since it is larger than the sum of its proper divisors (81788541).

245045379 is a wasteful number, since it uses less digits than its factorization.

245045379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26689.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 245045379 is about 15653.9253543640. The cubic root of 245045379 is about 625.7711049908.

The spelling of 245045379 in words is "two hundred forty-five million, forty-five thousand, three hundred seventy-nine".

Divisors: 1 3 3527 10581 23159 69477 81681793 245045379