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244305427 = 6113928813
BaseRepresentation
bin11101000111111…
…00111000010011
3122000201000001011
432203330320103
51000020233202
640124151351
76024363502
oct1643747023
9560630034
10244305427
111159a4313
1269998557
133b7ca732
1424636839
15166abbd7
hexe8fce13

244305427 has 8 divisors (see below), whose sum is σ = 250105520. Its totient is φ = 238563360.

The previous prime is 244305421. The next prime is 244305433. The reversal of 244305427 is 724503442.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (244305421) and next prime (244305433).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244305427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244305421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5928 + ... + 22885.

It is an arithmetic number, because the mean of its divisors is an integer number (31263190).

Almost surely, 2244305427 is an apocalyptic number.

244305427 is a deficient number, since it is larger than the sum of its proper divisors (5800093).

244305427 is a wasteful number, since it uses less digits than its factorization.

244305427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29013.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 244305427 is about 15630.2727743312. The cubic root of 244305427 is about 625.1405994085.

Adding to 244305427 its reverse (724503442), we get a palindrome (968808869).

The spelling of 244305427 in words is "two hundred forty-four million, three hundred five thousand, four hundred twenty-seven".

Divisors: 1 61 139 8479 28813 1757593 4005007 244305427