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244440434 = 2719918949
BaseRepresentation
bin11101001000111…
…01110101110010
3122000221212020102
432210131311302
51000034043214
640131112402
76025465220
oct1644356562
9560855212
10244440434
11115a86797
1269a42702
133b847014
142466db10
15166d6bde
hexe91dd72

244440434 has 16 divisors (see below), whose sum is σ = 441096000. Its totient is φ = 99246384.

The previous prime is 244440421. The next prime is 244440437. The reversal of 244440434 is 434044442.

It is a happy number.

It is a super-2 number, since 2×2444404342 = 119502251548216712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244440397 and 244440406.

It is not an unprimeable number, because it can be changed into a prime (244440437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459209 + ... + 459740.

It is an arithmetic number, because the mean of its divisors is an integer number (27568500).

Almost surely, 2244440434 is an apocalyptic number.

244440434 is a deficient number, since it is larger than the sum of its proper divisors (196655566).

244440434 is a wasteful number, since it uses less digits than its factorization.

244440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918977.

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 244440434 is about 15634.5909444411. The cubic root of 244440434 is about 625.2557323606.

Adding to 244440434 its reverse (434044442), we get a palindrome (678484876).

The spelling of 244440434 in words is "two hundred forty-four million, four hundred forty thousand, four hundred thirty-four".

Divisors: 1 2 7 14 19 38 133 266 918949 1837898 6432643 12865286 17460031 34920062 122220217 244440434