[go: up one dir, main page]

Search a number
-
+
42645056 = 26666329
BaseRepresentation
bin1010001010101…
…1011001000000
32222020121000112
42202223121000
541404120211
64122010452
71025322416
oct242533100
988217015
1042645056
1122087953
1212346a28
138ab177c
1459412b6
153b2588b
hex28ab640

42645056 has 14 divisors (see below), whose sum is σ = 84623910. Its totient is φ = 21322496.

The previous prime is 42645049. The next prime is 42645077. The reversal of 42645056 is 65054624.

It can be written as a sum of positive squares in only one way, i.e., 23425600 + 19219456 = 4840^2 + 4384^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333101 + ... + 333228.

It is an arithmetic number, because the mean of its divisors is an integer number (6044565).

Almost surely, 242645056 is an apocalyptic number.

It is an amenable number.

42645056 is a deficient number, since it is larger than the sum of its proper divisors (41978854).

42645056 is an equidigital number, since it uses as much as digits as its factorization.

42645056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666341 (or 666331 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 42645056 is about 6530.3182158299. The cubic root of 42645056 is about 349.3731801305.

The spelling of 42645056 in words is "forty-two million, six hundred forty-five thousand, fifty-six".

Divisors: 1 2 4 8 16 32 64 666329 1332658 2665316 5330632 10661264 21322528 42645056