Search a number
-
+
42715744 = 254872741
BaseRepresentation
bin1010001011110…
…0101001100000
32222101011222121
42202330221200
541413400434
64123314024
71026035461
oct242745140
988334877
1042715744
1122125a75
121237b914
138b079b6
14595cd68
153b3b7b4
hex28bca60

42715744 has 24 divisors (see below), whose sum is σ = 84300048. Its totient is φ = 21306240.

The previous prime is 42715741. The next prime is 42715759. The reversal of 42715744 is 44751724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42715741) 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, 14214 + ... + 16954.

It is an arithmetic number, because the mean of its divisors is an integer number (3512502).

Almost surely, 242715744 is an apocalyptic number.

It is an amenable number.

42715744 is a deficient number, since it is larger than the sum of its proper divisors (41584304).

42715744 is a wasteful number, since it uses less digits than its factorization.

42715744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238 (or 3230 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 42715744 is about 6535.7282685252. The cubic root of 42715744 is about 349.5661126818.

The spelling of 42715744 in words is "forty-two million, seven hundred fifteen thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 487 974 1948 2741 3896 5482 7792 10964 15584 21928 43856 87712 1334867 2669734 5339468 10678936 21357872 42715744