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52048305 = 3351722679
BaseRepresentation
bin1100011010001…
…1000110110001
310121221022212000
43012203012301
5101311021210
65055324213
71201255221
oct306430661
9117838760
1052048305
112741a731
1215520669
13aa2481a
146cac081
154881ac0
hex31a31b1

52048305 has 32 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 26125056.

The previous prime is 52048303. The next prime is 52048309. The reversal of 52048305 is 50384025.

It is not a de Polignac number, because 52048305 - 21 = 52048303 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 (52048303) 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, 9045 + ... + 13634.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 252048305 is an apocalyptic number.

It is an amenable number.

52048305 is a deficient number, since it is larger than the sum of its proper divisors (45929295).

52048305 is a wasteful number, since it uses less digits than its factorization.

52048305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22710 (or 22704 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52048305 is about 7214.4511225734. The cubic root of 52048305 is about 373.3666561632.

The spelling of 52048305 in words is "fifty-two million, forty-eight thousand, three hundred five".

Divisors: 1 3 5 9 15 17 27 45 51 85 135 153 255 459 765 2295 22679 68037 113395 204111 340185 385543 612333 1020555 1156629 1927715 3061665 3469887 5783145 10409661 17349435 52048305