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4025225205 = 33542170823
BaseRepresentation
bin1110111111101100…
…0000111111110101
3101101112011121221000
43233323000333311
531220424201310
61503230313513
7201514564311
oct35773007765
911345147830
104025225205
111786153301
12944058899
134c1c14281
142a283cb41
151885a94c0
hexefec0ff5

4025225205 has 32 divisors (see below), whose sum is σ = 7173054720. Its totient is φ = 2141657280.

The previous prime is 4025225203. The next prime is 4025225273. The reversal of 4025225205 is 5025225204.

4025225205 is a `hidden beast` number, since 402 + 5 + 2 + 252 + 0 + 5 = 666.

It is not a de Polignac number, because 4025225205 - 21 = 4025225203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025225203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21424 + ... + 92246.

It is an arithmetic number, because the mean of its divisors is an integer number (224157960).

Almost surely, 24025225205 is an apocalyptic number.

4025225205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4025225205 is a deficient number, since it is larger than the sum of its proper divisors (3147829515).

4025225205 is a wasteful number, since it uses less digits than its factorization.

4025225205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71258 (or 71252 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 4025225205 is about 63444.6625414621. The cubic root of 4025225205 is about 1590.7309384039.

Subtracting 4025225205 from its reverse (5025225204), we obtain a palindrome (999999999).

The spelling of 4025225205 in words is "four billion, twenty-five million, two hundred twenty-five thousand, two hundred five".

Divisors: 1 3 5 9 15 27 45 135 421 1263 2105 3789 6315 11367 18945 56835 70823 212469 354115 637407 1062345 1912221 3187035 9561105 29816483 89449449 149082415 268348347 447247245 805045041 1341741735 4025225205