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244716405 = 3523370019
BaseRepresentation
bin11101001011000…
…01001101110101
3122001110212210120
432211201031311
51000121411110
640141042153
76031024623
oct1645411565
9561425716
10244716405
1111615506a
1269b56359
133b91280b
1424702513
151673d870
hexe961375

244716405 has 16 divisors (see below), whose sum is σ = 393232320. Its totient is φ = 129953408.

The previous prime is 244716403. The next prime is 244716421. The reversal of 244716405 is 504617442.

It is a cyclic number.

It is not a de Polignac number, because 244716405 - 21 = 244716403 is a prime.

It is a super-2 number, since 2×2447164052 = 119772237752248050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244716401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31515 + ... + 38504.

It is an arithmetic number, because the mean of its divisors is an integer number (24577020).

Almost surely, 2244716405 is an apocalyptic number.

It is an amenable number.

244716405 is a deficient number, since it is larger than the sum of its proper divisors (148515915).

244716405 is a wasteful number, since it uses less digits than its factorization.

244716405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70260.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 244716405 is about 15643.4141094583. The cubic root of 244716405 is about 625.4909465201.

It can be divided in two parts, 24471 and 6405, that added together give a triangular number (30876 = T248).

The spelling of 244716405 in words is "two hundred forty-four million, seven hundred sixteen thousand, four hundred five".

Divisors: 1 3 5 15 233 699 1165 3495 70019 210057 350095 1050285 16314427 48943281 81572135 244716405