Search a number
-
+
52219152 = 2432362633
BaseRepresentation
bin1100011100110…
…0110100010000
310122021000012200
43013030310100
5101332003102
65103123200
71202566266
oct307146420
9118230180
1052219152
1127527027
12155a3500
13aa8450b
146d14436
1548b751c
hex31ccd10

52219152 has 30 divisors (see below), whose sum is σ = 146141502. Its totient is φ = 17406336.

The previous prime is 52219147. The next prime is 52219171. The reversal of 52219152 is 25191225.

52219152 is a `hidden beast` number, since 522 + 1 + 91 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37748736 + 14470416 = 6144^2 + 3804^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181173 + ... + 181460.

Almost surely, 252219152 is an apocalyptic number.

It is an amenable number.

52219152 is an abundant number, since it is smaller than the sum of its proper divisors (93922350).

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

52219152 is a wasteful number, since it uses less digits than its factorization.

52219152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362647 (or 362638 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 52219152 is about 7226.2820315844. The cubic root of 52219152 is about 373.7747316065.

The spelling of 52219152 in words is "fifty-two million, two hundred nineteen thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 362633 725266 1087899 1450532 2175798 2901064 3263697 4351596 5802128 6527394 8703192 13054788 17406384 26109576 52219152