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1150044140 = 22578214601
BaseRepresentation
bin100010010001100…
…0100011111101100
32222011000021222102
41010203010133230
54323402403030
6310041234232
740333133240
oct10443043754
92864007872
101150044140
11540196203
12281192978
131543531bb
14aca48420
156ae6dc45
hex448c47ec

1150044140 has 24 divisors (see below), whose sum is σ = 2760106272. Its totient is φ = 394300800.

The previous prime is 1150044127. The next prime is 1150044143. The reversal of 1150044140 is 414400511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1150044143) 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, 4107161 + ... + 4107440.

It is an arithmetic number, because the mean of its divisors is an integer number (115004428).

Almost surely, 21150044140 is an apocalyptic number.

1150044140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150044140 is an abundant number, since it is smaller than the sum of its proper divisors (1610062132).

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

1150044140 is a wasteful number, since it uses less digits than its factorization.

1150044140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214617 (or 8214615 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1150044140 is about 33912.3007181760. The cubic root of 1150044140 is about 1047.7029573529.

Adding to 1150044140 its reverse (414400511), we get a palindrome (1564444651).

The spelling of 1150044140 in words is "one billion, one hundred fifty million, forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 8214601 16429202 32858404 41073005 57502207 82146010 115004414 164292020 230008828 287511035 575022070 1150044140