Search a number
-
+
52272605 = 5711212343
BaseRepresentation
bin1100011101100…
…1110111011101
310122100201112102
43013121313131
5101340210410
65104214445
71203211160
oct307316735
9118321472
1052272605
1127563200
121560a425
13aaa2948
146d29ad7
1548c82a5
hex31d9ddd

52272605 has 24 divisors (see below), whose sum is σ = 78804096. Its totient is φ = 32582880.

The previous prime is 52272551. The next prime is 52272613. The reversal of 52272605 is 50627225.

It is not a de Polignac number, because 52272605 - 220 = 51224029 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1937 + ... + 10406.

It is an arithmetic number, because the mean of its divisors is an integer number (3283504).

Almost surely, 252272605 is an apocalyptic number.

52272605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52272605 is a deficient number, since it is larger than the sum of its proper divisors (26531491).

52272605 is a wasteful number, since it uses less digits than its factorization.

52272605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12377 (or 12366 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 52272605 is about 7229.9795988647. The cubic root of 52272605 is about 373.9022235751.

The spelling of 52272605 in words is "fifty-two million, two hundred seventy-two thousand, six hundred five".

Divisors: 1 5 7 11 35 55 77 121 385 605 847 4235 12343 61715 86401 135773 432005 678865 950411 1493503 4752055 7467515 10454521 52272605