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52194905 = 574379439
BaseRepresentation
bin1100011100011…
…0111001011001
310122012202221122
43013012321121
5101330214110
65102415025
71202435510
oct307067131
9118182848
1052194905
112750a894
1215591475
13aa76479
146d09677
1548b0255
hex31c6e59

52194905 has 32 divisors (see below), whose sum is σ = 74342400. Its totient is φ = 34437312.

The previous prime is 52194893. The next prime is 52194911. The reversal of 52194905 is 50949125.

It is a de Polignac number, because none of the positive numbers 2k-52194905 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118676 + ... + 119114.

It is an arithmetic number, because the mean of its divisors is an integer number (2323200).

Almost surely, 252194905 is an apocalyptic number.

It is an amenable number.

52194905 is a deficient number, since it is larger than the sum of its proper divisors (22147495).

52194905 is a wasteful number, since it uses less digits than its factorization.

52194905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 52194905 is about 7224.6041414046. The cubic root of 52194905 is about 373.7168708494.

The spelling of 52194905 in words is "fifty-two million, one hundred ninety-four thousand, nine hundred five".

Divisors: 1 5 7 35 43 79 215 301 395 439 553 1505 2195 2765 3073 3397 15365 16985 18877 23779 34681 94385 118895 132139 173405 242767 660695 1213835 1491283 7456415 10438981 52194905