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1120044431 = 11443229847
BaseRepresentation
bin100001011000010…
…1000010110001111
32220001120011010002
41002300220112033
54243212410211
6303050234515
736520135442
oct10260502617
92801504102
101120044431
11525265a60
12273125a3b
1314b07b3ac
14a8a79659
15684e503b
hex42c2858f

1120044431 has 8 divisors (see below), whose sum is σ = 1224630144. Its totient is φ = 1015919320.

The previous prime is 1120044421. The next prime is 1120044469. The reversal of 1120044431 is 1344400211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1120044431 is a prime.

It is a super-2 number, since 2×11200444312 = 2508999054828227522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120044421) by changing a digit.

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, 110051 + ... + 119796.

It is an arithmetic number, because the mean of its divisors is an integer number (153078768).

Almost surely, 21120044431 is an apocalyptic number.

1120044431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1120044431 is a deficient number, since it is larger than the sum of its proper divisors (104585713).

1120044431 is a wasteful number, since it uses less digits than its factorization.

1120044431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230301.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1120044431 is about 33467.0648698089. The cubic root of 1120044431 is about 1038.5125527901.

Adding to 1120044431 its reverse (1344400211), we get a palindrome (2464444642).

The spelling of 1120044431 in words is "one billion, one hundred twenty million, forty-four thousand, four hundred thirty-one".

Divisors: 1 11 443 4873 229847 2528317 101822221 1120044431