Search a number
-
+
42532887 = 319746191
BaseRepresentation
bin1010001001000…
…0000000010111
32222000220011010
42202100000113
541342023022
64115343303
71024344405
oct242200027
988026133
1042532887
1122010651
12122b1b33
138a726b7
145912475
153b0250c
hex2890017

42532887 has 8 divisors (see below), whose sum is σ = 59695360. Its totient is φ = 26862840.

The previous prime is 42532859. The next prime is 42532909. The reversal of 42532887 is 78823524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42532887 - 219 = 42008599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373039 + ... + 373152.

It is an arithmetic number, because the mean of its divisors is an integer number (7461920).

Almost surely, 242532887 is an apocalyptic number.

42532887 is a deficient number, since it is larger than the sum of its proper divisors (17162473).

42532887 is a wasteful number, since it uses less digits than its factorization.

42532887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746213.

The product of its digits is 107520, while the sum is 39.

The square root of 42532887 is about 6521.7242352004. The cubic root of 42532887 is about 349.0665932043.

It can be divided in two parts, 4253 and 2887, that added together give a triangular number (7140 = T119).

The spelling of 42532887 in words is "forty-two million, five hundred thirty-two thousand, eight hundred eighty-seven".

Divisors: 1 3 19 57 746191 2238573 14177629 42532887