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1055855229 = 311132984869
BaseRepresentation
bin111110111011110…
…001001001111101
32201120210000002020
4332323301021331
54130244331404
6252434350353
735110423062
oct7673611175
92646700066
101055855229
114a2003730
1225572b3b9
1313a995710
14a032ac69
1562a65ed9
hex3eef127d

1055855229 has 32 divisors (see below), whose sum is σ = 1710979200. Its totient is φ = 570312960.

The previous prime is 1055855221. The next prime is 1055855231. The reversal of 1055855229 is 9225585501.

It is not a de Polignac number, because 1055855229 - 23 = 1055855221 is a prime.

It is a super-2 number, since 2×10558552292 = 2229660529213284882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055855221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29994 + ... + 54875.

It is an arithmetic number, because the mean of its divisors is an integer number (53468100).

Almost surely, 21055855229 is an apocalyptic number.

It is an amenable number.

1055855229 is a deficient number, since it is larger than the sum of its proper divisors (655123971).

1055855229 is a wasteful number, since it uses less digits than its factorization.

1055855229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84925.

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 1055855229 is about 32493.9260324141. The cubic root of 1055855229 is about 1018.2821363063.

The spelling of 1055855229 in words is "one billion, fifty-five million, eight hundred fifty-five thousand, two hundred twenty-nine".

Divisors: 1 3 11 13 29 33 39 87 143 319 377 429 957 1131 4147 12441 84869 254607 933559 1103297 2461201 2800677 3309891 7383603 12136267 27073211 31995613 36408801 81219633 95986839 351951743 1055855229