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1055333140 = 225179533257
BaseRepresentation
bin111110111001110…
…001101100010100
32201112210110220121
4332321301230110
54130131130030
6252415241324
735103120001
oct7671615424
92645713817
101055333140
114a1787454
12255519244
1313a841ba4
14a02328a8
15629b147a
hex3ee71b14

1055333140 has 48 divisors (see below), whose sum is σ = 2349747792. Its totient is φ = 396763136.

The previous prime is 1055333107. The next prime is 1055333141. The reversal of 1055333140 is 413335501.

It can be written as a sum of positive squares in 8 ways, for example, as 56520324 + 998812816 = 7518^2 + 31604^2 .

It is a super-2 number, since 2×10553331402 = 2227456072764519200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055333141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 322392 + ... + 325648.

It is an arithmetic number, because the mean of its divisors is an integer number (48953079).

Almost surely, 21055333140 is an apocalyptic number.

1055333140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055333140 is an abundant number, since it is smaller than the sum of its proper divisors (1294414652).

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

1055333140 is a wasteful number, since it uses less digits than its factorization.

1055333140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1055333140 is about 32485.8913991905. The cubic root of 1055333140 is about 1018.1142718941.

Adding to 1055333140 its reverse (413335501), we get a palindrome (1468668641).

The spelling of 1055333140 in words is "one billion, fifty-five million, three hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 953 1906 3257 3812 4765 6514 9530 13028 16201 16285 19060 32402 32570 55369 64804 65140 81005 110738 162010 221476 276845 324020 553690 1107380 3103921 6207842 12415684 15519605 31039210 52766657 62078420 105533314 211066628 263833285 527666570 1055333140