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245746055 = 549149211
BaseRepresentation
bin11101010010111…
…00100110000111
3122010102012012202
432221130212013
51000402333210
640215105115
76042543542
oct1651344607
9563365182
10245746055
11116798715
126a37219b
133bbb3389
14248cd859
15168939a5
hexea5c987

245746055 has 4 divisors (see below), whose sum is σ = 294895272. Its totient is φ = 196596840.

The previous prime is 245746051. The next prime is 245746063. The reversal of 245746055 is 550647542.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245746055 - 22 = 245746051 is a prime.

It is a super-2 number, since 2×2457460552 = 120782247096126050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245746051) 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, 24574601 + ... + 24574610.

It is an arithmetic number, because the mean of its divisors is an integer number (73723818).

Almost surely, 2245746055 is an apocalyptic number.

245746055 is a deficient number, since it is larger than the sum of its proper divisors (49149217).

245746055 is an equidigital number, since it uses as much as digits as its factorization.

245746055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49149216.

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 245746055 is about 15676.2895801271. The cubic root of 245746055 is about 626.3669749607.

The spelling of 245746055 in words is "two hundred forty-five million, seven hundred forty-six thousand, fifty-five".

Divisors: 1 5 49149211 245746055