Search a number
-
+
42747175 = 5215710891
BaseRepresentation
bin1010001100010…
…0010100100111
32222102210002201
42203010110213
541420402200
64124115331
71026226222
oct243042447
988383081
1042747175
1122147649
1212395b47
138b190b3
14596a5b9
153b45c6a
hex28c4527

42747175 has 12 divisors (see below), whose sum is σ = 53349016. Its totient is φ = 33976800.

The previous prime is 42747161. The next prime is 42747181. The reversal of 42747175 is 57174724.

It is not a de Polignac number, because 42747175 - 25 = 42747143 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1521 + ... + 9370.

Almost surely, 242747175 is an apocalyptic number.

42747175 is a deficient number, since it is larger than the sum of its proper divisors (10601841).

42747175 is a wasteful number, since it uses less digits than its factorization.

42747175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11058 (or 11053 counting only the distinct ones).

The product of its digits is 54880, while the sum is 37.

The square root of 42747175 is about 6538.1323785925. The cubic root of 42747175 is about 349.6518306373.

It can be divided in two parts, 4274 and 7175, that added together give a square (11449 = 1072).

The spelling of 42747175 in words is "forty-two million, seven hundred forty-seven thousand, one hundred seventy-five".

Divisors: 1 5 25 157 785 3925 10891 54455 272275 1709887 8549435 42747175