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4255061620 = 225257827833
BaseRepresentation
bin1111110110011111…
…0001011001110100
3101222112122112012211
43331213301121310
532203243432440
61542120423204
7210305266315
oct37547613164
911875575184
104255061620
111893964857
129a9017b04
1352a716c54
142c518a60c
1519d858eea
hexfd9f1674

4255061620 has 24 divisors (see below), whose sum is σ = 8970409224. Its totient is φ = 1695399936.

The previous prime is 4255061567. The next prime is 4255061621. The reversal of 4255061620 is 261605524.

It can be written as a sum of positive squares in 4 ways, for example, as 2877464164 + 1377597456 = 53642^2 + 37116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255061621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408777 + ... + 419056.

It is an arithmetic number, because the mean of its divisors is an integer number (373767051).

Almost surely, 24255061620 is an apocalyptic number.

It is an amenable number.

4255061620 is an abundant number, since it is smaller than the sum of its proper divisors (4715347604).

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

4255061620 is a wasteful number, since it uses less digits than its factorization.

4255061620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828099 (or 828097 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 4255061620 is about 65230.8333535606. The cubic root of 4255061620 is about 1620.4486919515.

The spelling of 4255061620 in words is "four billion, two hundred fifty-five million, sixty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 257 514 1028 1285 2570 5140 827833 1655666 3311332 4139165 8278330 16556660 212753081 425506162 851012324 1063765405 2127530810 4255061620