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1144093890 = 23538136463
BaseRepresentation
bin100010000110001…
…0111110011000010
32221201210222202210
41010030113303002
54320342001030
6305305522550
740231431462
oct10414276302
92851728683
101144093890
115378a1745
1227b1a3456
1315304ba44
14abd39ba2
156a695bb0
hex44317cc2

1144093890 has 16 divisors (see below), whose sum is σ = 2745825408. Its totient is φ = 305091696.

The previous prime is 1144093861. The next prime is 1144093901. The reversal of 1144093890 is 983904411.

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, 19068202 + ... + 19068261.

It is an arithmetic number, because the mean of its divisors is an integer number (171614088).

Almost surely, 21144093890 is an apocalyptic number.

1144093890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144093890 is an abundant number, since it is smaller than the sum of its proper divisors (1601731518).

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

1144093890 is a wasteful number, since it uses less digits than its factorization.

1144093890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38136473.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1144093890 is about 33824.4569801202. The cubic root of 1144093890 is about 1045.8929175148.

The spelling of 1144093890 in words is "one billion, one hundred forty-four million, ninety-three thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 38136463 76272926 114409389 190682315 228818778 381364630 572046945 1144093890