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244362309 = 381454103
BaseRepresentation
bin11101001000010…
…10110001000101
3122000210220001220
432210022301011
51000024043214
640125310553
76025021362
oct1644126105
9560726056
10244362309
11115a33024
1269a05459
133b81a5a9
142464d469
15166bd9a9
hexe90ac45

244362309 has 4 divisors (see below), whose sum is σ = 325816416. Its totient is φ = 162908204.

The previous prime is 244362299. The next prime is 244362359. The reversal of 244362309 is 903263442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244362309 - 223 = 235973701 is a prime.

It is a super-2 number, since 2×2443623092 = 119425876119622962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244362309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244362359) 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, 40727049 + ... + 40727054.

It is an arithmetic number, because the mean of its divisors is an integer number (81454104).

Almost surely, 2244362309 is an apocalyptic number.

It is an amenable number.

244362309 is a deficient number, since it is larger than the sum of its proper divisors (81454107).

244362309 is an equidigital number, since it uses as much as digits as its factorization.

244362309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81454106.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 244362309 is about 15632.0922783868. The cubic root of 244362309 is about 625.1891131189.

The spelling of 244362309 in words is "two hundred forty-four million, three hundred sixty-two thousand, three hundred nine".

Divisors: 1 3 81454103 244362309