Search a number
-
+
42552272 = 247379931
BaseRepresentation
bin1010001001010…
…0101111010000
32222001212202002
42202110233100
541343133042
64120013132
71024455050
oct242245720
988055662
1042552272
1122024174
12123011a8
138a7b479
145919560
153b08132
hex2894bd0

42552272 has 20 divisors (see below), whose sum is σ = 94223136. Its totient is φ = 18236640.

The previous prime is 42552271. The next prime is 42552299. The reversal of 42552272 is 27225524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42552271) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 189854 + ... + 190077.

Almost surely, 242552272 is an apocalyptic number.

It is an amenable number.

42552272 is an abundant number, since it is smaller than the sum of its proper divisors (51670864).

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

42552272 is a wasteful number, since it uses less digits than its factorization.

42552272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379946 (or 379940 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 42552272 is about 6523.2102526287. The cubic root of 42552272 is about 349.1196159250.

Adding to 42552272 its reverse (27225524), we get a palindrome (69777796).

It can be divided in two parts, 42552 and 272, that added together give a palindrome (42824).

The spelling of 42552272 in words is "forty-two million, five hundred fifty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 379931 759862 1519724 2659517 3039448 5319034 6078896 10638068 21276136 42552272