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1144604330 = 25173661621
BaseRepresentation
bin100010000111001…
…0100011010101010
32221202202220221222
41010032110122222
54321004314310
6305324502042
740235655602
oct10416243252
92852686858
101144604330
115381101a1
1227b3aa922
1315319a18c
14ac02dc02
156a747055
hex443946aa

1144604330 has 16 divisors (see below), whose sum is σ = 2072200104. Its totient is φ = 455194560.

The previous prime is 1144604317. The next prime is 1144604353. The reversal of 1144604330 is 334064411.

It can be written as a sum of positive squares in 4 ways, for example, as 904385329 + 240219001 = 30073^2 + 15499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1144604330.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 329081 + ... + 332540.

Almost surely, 21144604330 is an apocalyptic number.

1144604330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144604330 is a deficient number, since it is larger than the sum of its proper divisors (927595774).

1144604330 is a wasteful number, since it uses less digits than its factorization.

1144604330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661801.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1144604330 is about 33832.0015665642. The cubic root of 1144604330 is about 1046.0484368622.

Adding to 1144604330 its reverse (334064411), we get a palindrome (1478668741).

The spelling of 1144604330 in words is "one billion, one hundred forty-four million, six hundred four thousand, three hundred thirty".

Divisors: 1 2 5 10 173 346 865 1730 661621 1323242 3308105 6616210 114460433 228920866 572302165 1144604330