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3385555220 = 225191886271
BaseRepresentation
bin1100100111001011…
…0111100100010100
322201221112000200002
43021302313210110
523413200231340
61315540110432
7146616513245
oct31162674424
98657460602
103385555220
11148806a823
127a5995418
1341c539118
142418caccc
1514c352715
hexc9cb7914

3385555220 has 24 divisors (see below), whose sum is σ = 7146897408. Its totient is φ = 1347130400.

The previous prime is 3385555193. The next prime is 3385555301. The reversal of 3385555220 is 225555833.

It is a happy number.

3385555220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×33855552202 = 22923968295338496800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439316 + ... + 446955.

It is an arithmetic number, because the mean of its divisors is an integer number (297787392).

Almost surely, 23385555220 is an apocalyptic number.

It is an amenable number.

3385555220 is an abundant number, since it is smaller than the sum of its proper divisors (3761342188).

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

3385555220 is a wasteful number, since it uses less digits than its factorization.

3385555220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886471 (or 886469 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The square root of 3385555220 is about 58185.5241447561. The cubic root of 3385555220 is about 1501.5621089420.

The spelling of 3385555220 in words is "three billion, three hundred eighty-five million, five hundred fifty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 886271 1772542 3545084 4431355 8862710 17725420 169277761 338555522 677111044 846388805 1692777610 3385555220