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52153405 = 5711071373
BaseRepresentation
bin1100011011110…
…0110000111101
310122010200000121
43012330300331
5101322402110
65101454541
71202203513
oct306746075
9118120017
1052153405
1127491697
1215571451
13aa60605
146cd84b3
1548a2cda
hex31bcc3d

52153405 has 16 divisors (see below), whose sum is σ = 64105344. Its totient is φ = 40720960.

The previous prime is 52153393. The next prime is 52153411. The reversal of 52153405 is 50435125.

It is not a de Polignac number, because 52153405 - 25 = 52153373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52153405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37299 + ... + 38671.

It is an arithmetic number, because the mean of its divisors is an integer number (4006584).

Almost surely, 252153405 is an apocalyptic number.

It is an amenable number.

52153405 is a deficient number, since it is larger than the sum of its proper divisors (11951939).

52153405 is a wasteful number, since it uses less digits than its factorization.

52153405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 52153405 is about 7221.7314405896. The cubic root of 52153405 is about 373.6177975624.

The spelling of 52153405 in words is "fifty-two million, one hundred fifty-three thousand, four hundred five".

Divisors: 1 5 71 107 355 535 1373 6865 7597 37985 97483 146911 487415 734555 10430681 52153405