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244513690 = 25237913457
BaseRepresentation
bin11101001001011…
…11101110011010
3122001002120201121
432210233232122
51000043414230
640132435454
76026221621
oct1644575632
9561076647
10244513690
11116026833
1269a78b8a
133b871475
142468c6b8
15166ed77a
hexe92fb9a

244513690 has 32 divisors (see below), whose sum is σ = 465108480. Its totient is φ = 92361984.

The previous prime is 244513651. The next prime is 244513747. The reversal of 244513690 is 96315442.

It is a happy number.

244513690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2445136902 = 119573889194832200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11442 + ... + 24898.

It is an arithmetic number, because the mean of its divisors is an integer number (14534640).

Almost surely, 2244513690 is an apocalyptic number.

244513690 is a deficient number, since it is larger than the sum of its proper divisors (220594790).

244513690 is a wasteful number, since it uses less digits than its factorization.

244513690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13566.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 244513690 is about 15636.9335229130. The cubic root of 244513690 is about 625.3181867840.

The spelling of 244513690 in words is "two hundred forty-four million, five hundred thirteen thousand, six hundred ninety".

Divisors: 1 2 5 10 23 46 79 115 158 230 395 790 1817 3634 9085 13457 18170 26914 67285 134570 309511 619022 1063103 1547555 2126206 3095110 5315515 10631030 24451369 48902738 122256845 244513690