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1055234223 = 3429449227
BaseRepresentation
bin111110111001011…
…001100010101111
32201112121110020000
4332321121202233
54130114443343
6252413155343
735102225421
oct7671314257
92645543200
101055234223
114a171a0aa
1225548bb53
1313a808b64
14a0208811
1562991ed3
hex3ee598af

1055234223 has 20 divisors (see below), whose sum is σ = 1630697640. Its totient is φ = 679229712.

The previous prime is 1055234221. The next prime is 1055234231. The reversal of 1055234223 is 3224325501.

It is a happy number.

It is not a de Polignac number, because 1055234223 - 21 = 1055234221 is a prime.

It is a super-2 number, since 2×10552342232 = 2227038530780827458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055234221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 222265 + ... + 226962.

It is an arithmetic number, because the mean of its divisors is an integer number (81534882).

Almost surely, 21055234223 is an apocalyptic number.

1055234223 is a deficient number, since it is larger than the sum of its proper divisors (575463417).

1055234223 is an equidigital number, since it uses as much as digits as its factorization.

1055234223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449268 (or 449259 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1055234223 is about 32484.3689025968. The cubic root of 1055234223 is about 1018.0824614157.

Adding to 1055234223 its reverse (3224325501), we get a palindrome (4279559724).

It can be divided in two parts, 105523 and 4223, that added together give a triangular number (109746 = T468).

The spelling of 1055234223 in words is "one billion, fifty-five million, two hundred thirty-four thousand, two hundred twenty-three".

Divisors: 1 3 9 27 29 81 87 261 783 2349 449227 1347681 4043043 12129129 13027583 36387387 39082749 117248247 351744741 1055234223