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3205306055 = 5717294312
BaseRepresentation
bin1011111100001101…
…0001011011000111
322021101100102022002
42333003101123013
523031024243210
61250020455515
7142300436420
oct27703213307
98241312262
103205306055
1113a5347976
1275554a59b
133c10a8a03
142259aa647
1513b5ea4a5
hexbf0d16c7

3205306055 has 48 divisors (see below), whose sum is σ = 4826122560. Its totient is φ = 1992668160.

The previous prime is 3205306031. The next prime is 3205306079. The reversal of 3205306055 is 5506035023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3205306031) and next prime (3205306079).

It is not a de Polignac number, because 3205306055 - 26 = 3205305991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7436690 + ... + 7437120.

It is an arithmetic number, because the mean of its divisors is an integer number (100544220).

Almost surely, 23205306055 is an apocalyptic number.

3205306055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3205306055 is a deficient number, since it is larger than the sum of its proper divisors (1620816505).

3205306055 is an equidigital number, since it uses as much as digits as its factorization.

3205306055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 3205306055 is about 56615.4224129786. The cubic root of 3205306055 is about 1474.4266360987.

The spelling of 3205306055 in words is "three billion, two hundred five million, three hundred six thousand, fifty-five".

Divisors: 1 5 7 17 29 35 85 119 145 203 431 493 595 1015 2155 2465 3017 3451 7327 12499 15085 17255 36635 51289 62495 87493 185761 212483 256445 437465 928805 1062415 1300327 1487381 3157937 5387069 6501635 7436905 15789685 22105559 26935345 37709483 91580173 110527795 188547415 457900865 641061211 3205306055