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244724101 = 892749709
BaseRepresentation
bin11101001011000…
…11000110000101
3122001111021100121
432211203012011
51000122132401
640141141541
76031056226
oct1645430605
9561437317
10244724101
1111615a926
1269b5a8b1
133b91617b
142470524d
1516740ca1
hexe963185

244724101 has 4 divisors (see below), whose sum is σ = 247473900. Its totient is φ = 241974304.

The previous prime is 244724099. The next prime is 244724107. The reversal of 244724101 is 101427442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 118701025 + 126023076 = 10895^2 + 11226^2 .

It is a cyclic number.

It is not a de Polignac number, because 244724101 - 21 = 244724099 is a prime.

It is a super-2 number, since 2×2447241012 = 119779771220516402, 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 (244724107) 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 3 ways as a sum of consecutive naturals, for example, 1374766 + ... + 1374943.

It is an arithmetic number, because the mean of its divisors is an integer number (61868475).

Almost surely, 2244724101 is an apocalyptic number.

It is an amenable number.

244724101 is a deficient number, since it is larger than the sum of its proper divisors (2749799).

244724101 is an equidigital number, since it uses as much as digits as its factorization.

244724101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749798.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 244724101 is about 15643.6600896338. The cubic root of 244724101 is about 625.4975033995.

The spelling of 244724101 in words is "two hundred forty-four million, seven hundred twenty-four thousand, one hundred one".

Divisors: 1 89 2749709 244724101