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9141144 = 233380881
BaseRepresentation
bin100010110111…
…101110011000
3122012102021220
4202313232120
54320004034
6523532040
7140461365
oct42675630
918172256
109141144
115183971
12308a020
131b8097c
1412dd46c
15c08749
hex8b7b98

9141144 has 16 divisors (see below), whose sum is σ = 22852920. Its totient is φ = 3047040.

The previous prime is 9141127. The next prime is 9141149. The reversal of 9141144 is 4411419.

9141144 = 1772 + 1782 + ... + 3202.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 380881 = 9141144 / (9 + 1 + 4 + 1 + 1 + 4 + 4).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9141149) 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 3 ways as a sum of consecutive naturals, for example, 190417 + ... + 190464.

Almost surely, 29141144 is an apocalyptic number.

It is an amenable number.

9141144 is an abundant number, since it is smaller than the sum of its proper divisors (13711776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9141144 is a wasteful number, since it uses less digits than its factorization.

9141144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380890 (or 380886 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 9141144 is about 3023.4324864300. The cubic root of 9141144 is about 209.0901223777.

The spelling of 9141144 in words is "nine million, one hundred forty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 380881 761762 1142643 1523524 2285286 3047048 4570572 9141144