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1050450140 = 22552522507
BaseRepresentation
bin111110100111001…
…001100011011100
32201012121101200202
4332213021203130
54122403401030
6252122443032
735013451565
oct7647114334
92635541622
101050450140
11499a51813
12253963478
1313982243c
149d72116c
1562349745
hex3e9c98dc

1050450140 has 12 divisors (see below), whose sum is σ = 2205945336. Its totient is φ = 420180048.

The previous prime is 1050450119. The next prime is 1050450157. The reversal of 1050450140 is 410540501.

It is a super-2 number, since 2×10504501402 = 2206890993252039200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 52522507 = 1050450140 / (1 + 0 + 5 + 0 + 4 + 5 + 0 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26261234 + ... + 26261273.

It is an arithmetic number, because the mean of its divisors is an integer number (183828778).

Almost surely, 21050450140 is an apocalyptic number.

1050450140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050450140 is an abundant number, since it is smaller than the sum of its proper divisors (1155495196).

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

1050450140 is a wasteful number, since it uses less digits than its factorization.

1050450140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52522516 (or 52522514 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1050450140 is about 32410.6485587685. The cubic root of 1050450140 is about 1016.5415807168.

Adding to 1050450140 its reverse (410540501), we get a palindrome (1460990641).

The spelling of 1050450140 in words is "one billion, fifty million, four hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 52522507 105045014 210090028 262612535 525225070 1050450140