Search a number
-
+
52109330 = 25713173331
BaseRepresentation
bin1100011011001…
…0000000010010
310122001102120012
43012302000102
5101314444310
65100514522
71201631150
oct306620022
9118042505
1052109330
1127461569
121554ba42
13aa46530
146cc63d0
154894c05
hex31b2012

52109330 has 64 divisors (see below), whose sum is σ = 116460288. Its totient is φ = 16346880.

The previous prime is 52109327. The next prime is 52109333. The reversal of 52109330 is 3390125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52109327) and next prime (52109333).

It is a junction number, because it is equal to n+sod(n) for n = 52109296 and 52109305.

It is not an unprimeable number, because it can be changed into a prime (52109333) 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, 157265 + ... + 157595.

It is an arithmetic number, because the mean of its divisors is an integer number (1819692).

Almost surely, 252109330 is an apocalyptic number.

52109330 is an abundant number, since it is smaller than the sum of its proper divisors (64350958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52109330 is a wasteful number, since it uses less digits than its factorization.

52109330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 52109330 is about 7218.6792420775. The cubic root of 52109330 is about 373.5125193904.

Adding to 52109330 its reverse (3390125), we get a palindrome (55499455).

The spelling of 52109330 in words is "fifty-two million, one hundred nine thousand, three hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 173 182 331 346 455 662 865 910 1211 1655 1730 2249 2317 2422 3310 4303 4498 4634 6055 8606 11245 11585 12110 15743 21515 22490 23170 30121 31486 43030 57263 60242 78715 114526 150605 157430 286315 301210 400841 572630 744419 801682 1488838 2004205 3722095 4008410 5210933 7444190 10421866 26054665 52109330