Search a number
-
+
4642641 = 32539733
BaseRepresentation
bin10001101101011101010001
322201212111200
4101231131101
52142031031
6243301413
754314253
oct21553521
98655450
104642641
1126910a3
12167a869
13c67233
1488bcd3
1561a8e6
hex46d751

4642641 has 12 divisors (see below), whose sum is σ = 6833268. Its totient is φ = 3036384.

The previous prime is 4642621. The next prime is 4642643. The reversal of 4642641 is 1462464.

It can be written as a sum of positive squares in 2 ways, for example, as 3721041 + 921600 = 1929^2 + 960^2 .

It is not a de Polignac number, because 4642641 - 25 = 4642609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4642643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4390 + ... + 5343.

It is an arithmetic number, because the mean of its divisors is an integer number (569439).

Almost surely, 24642641 is an apocalyptic number.

It is an amenable number.

4642641 is a deficient number, since it is larger than the sum of its proper divisors (2190627).

4642641 is a wasteful number, since it uses less digits than its factorization.

4642641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792 (or 9789 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 4642641 is about 2154.6788623830. The cubic root of 4642641 is about 166.8226570675.

The spelling of 4642641 in words is "four million, six hundred forty-two thousand, six hundred forty-one".

Divisors: 1 3 9 53 159 477 9733 29199 87597 515849 1547547 4642641