Search a number
-
+
42719056 = 2419713553
BaseRepresentation
bin1010001011110…
…1011101010000
32222101100112021
42202331131100
541414002211
64123341224
71026051232
oct242753520
988340467
1042719056
1122128506
1212381814
138b09363
145960252
153b3c771
hex28bd750

42719056 has 20 divisors (see below), whose sum is σ = 83194452. Its totient is φ = 21249536.

The previous prime is 42719051. The next prime is 42719057. The reversal of 42719056 is 65091724.

42719056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38638656 + 4080400 = 6216^2 + 2020^2 .

It is a super-2 number, since 2×427190562 = 3649835491062272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3625 + ... + 9928.

Almost surely, 242719056 is an apocalyptic number.

It is an amenable number.

42719056 is a deficient number, since it is larger than the sum of its proper divisors (40475396).

42719056 is a wasteful number, since it uses less digits than its factorization.

42719056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13758 (or 13752 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 42719056 is about 6535.9816401211. The cubic root of 42719056 is about 349.5751470794.

The spelling of 42719056 in words is "forty-two million, seven hundred nineteen thousand, fifty-six".

Divisors: 1 2 4 8 16 197 394 788 1576 3152 13553 27106 54212 108424 216848 2669941 5339882 10679764 21359528 42719056