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255575020 = 2255923671
BaseRepresentation
bin11110011101111…
…00001111101100
3122210220120000111
433032330033230
51010411400040
641205505404
76222231451
oct1716741754
9583816014
10255575020
111212a1328
1271712264
1340c4512c
1425d2b828
1517685dea
hexf3bc3ec

255575020 has 36 divisors (see below), whose sum is σ = 546107184. Its totient is φ = 100469920.

The previous prime is 255575009. The next prime is 255575029. The reversal of 255575020 is 20575552.

255575020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (255575029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67785 + ... + 71455.

It is an arithmetic number, because the mean of its divisors is an integer number (15169644).

Almost surely, 2255575020 is an apocalyptic number.

255575020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255575020 is an abundant number, since it is smaller than the sum of its proper divisors (290532164).

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

255575020 is a wasteful number, since it uses less digits than its factorization.

255575020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 255575020 is about 15986.7138587015. The cubic root of 255575020 is about 634.6088648771.

The spelling of 255575020 in words is "two hundred fifty-five million, five hundred seventy-five thousand, twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 3481 3671 6962 7342 13924 14684 17405 18355 34810 36710 69620 73420 216589 433178 866356 1082945 2165890 4331780 12778751 25557502 51115004 63893755 127787510 255575020