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2825640357 = 35323974357
BaseRepresentation
bin1010100001101011…
…1101100110100101
321021220221101212120
42220122331212211
521241330442412
61144215140153
7130010355351
oct25032754645
97256841776
102825640357
111220000471
1266a374659
13360536a57
141cb3ba461
15118101b8c
hexa86bd9a5

2825640357 has 16 divisors (see below), whose sum is σ = 3854718720. Its totient is φ = 1840459712.

The previous prime is 2825640343. The next prime is 2825640401. The reversal of 2825640357 is 7530465282.

It is a cyclic number.

It is not a de Polignac number, because 2825640357 - 216 = 2825574821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825600357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823 + ... + 75179.

It is an arithmetic number, because the mean of its divisors is an integer number (240919920).

Almost surely, 22825640357 is an apocalyptic number.

It is an amenable number.

2825640357 is a deficient number, since it is larger than the sum of its proper divisors (1029078363).

2825640357 is a wasteful number, since it uses less digits than its factorization.

2825640357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74652.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2825640357 is about 53156.7526942721. The cubic root of 2825640357 is about 1413.7489484584.

The spelling of 2825640357 in words is "two billion, eight hundred twenty-five million, six hundred forty thousand, three hundred fifty-seven".

Divisors: 1 3 53 159 239 717 12667 38001 74357 223071 3940921 11822763 17771323 53313969 941880119 2825640357