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244140715 = 57132112543
BaseRepresentation
bin11101000110101…
…00101010101011
3122000101122002201
432203110222223
51000000000330
640120441031
76023106340
oct1643245253
9560348081
10244140715
111158a1595
1269919177
133b770780
14245d27c7
1516677eca
hexe8d4aab

244140715 has 32 divisors (see below), whose sum is σ = 362428416. Its totient is φ = 153740160.

The previous prime is 244140683. The next prime is 244140739. The reversal of 244140715 is 517041442.

It is not a de Polignac number, because 244140715 - 25 = 244140683 is a prime.

It is a super-2 number, since 2×2441407152 = 119209377441422450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94734 + ... + 97276.

It is an arithmetic number, because the mean of its divisors is an integer number (11325888).

Almost surely, 2244140715 is an apocalyptic number.

244140715 is a deficient number, since it is larger than the sum of its proper divisors (118287701).

244140715 is a wasteful number, since it uses less digits than its factorization.

244140715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 244140715 is about 15625.0028799997. The cubic root of 244140715 is about 625.0000768000. Note that the first 4 decimals are identical.

The spelling of 244140715 in words is "two hundred forty-four million, one hundred forty thousand, seven hundred fifteen".

Divisors: 1 5 7 13 35 65 91 211 455 1055 1477 2543 2743 7385 12715 13715 17801 19201 33059 89005 96005 165295 231413 536573 1157065 2682865 3756011 6975449 18780055 34877245 48828143 244140715