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3049085820 = 2235114619827
BaseRepresentation
bin1011010110111101…
…0101101101111100
321212111101121102110
42311233111231330
522221031221240
61222320254020
7135362542014
oct26557255574
97774347373
103049085820
111325147340
12711171310
1339790c7c1
1420cd42c44
1512ca3cc80
hexb5bd5b7c

3049085820 has 48 divisors (see below), whose sum is σ = 9313573248. Its totient is φ = 739172160.

The previous prime is 3049085807. The next prime is 3049085843. The reversal of 3049085820 is 285809403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309254 + ... + 2310573.

It is an arithmetic number, because the mean of its divisors is an integer number (194032776).

Almost surely, 23049085820 is an apocalyptic number.

3049085820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3049085820 is an abundant number, since it is smaller than the sum of its proper divisors (6264487428).

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

3049085820 is a wasteful number, since it uses less digits than its factorization.

3049085820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619850 (or 4619848 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 3049085820 is about 55218.5278688232. The cubic root of 3049085820 is about 1450.0730553759.

The spelling of 3049085820 in words is "three billion, forty-nine million, eighty-five thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 4619827 9239654 13859481 18479308 23099135 27718962 46198270 50818097 55437924 69297405 92396540 101636194 138594810 152454291 203272388 254090485 277189620 304908582 508180970 609817164 762271455 1016361940 1524542910 3049085820