Search a number
-
+
4142442401 = 4831857471
BaseRepresentation
bin1111011011101000…
…1010011110100001
3101200200201212200122
43312322022132201
531440431124101
61523014530025
7204440115356
oct36672123641
911620655618
104142442401
111836334319
12977366915
135102a5666
142b423262d
15193a1051b
hexf6e8a7a1

4142442401 has 4 divisors (see below), whose sum is σ = 4143304704. Its totient is φ = 4141580100.

The previous prime is 4142442397. The next prime is 4142442407. The reversal of 4142442401 is 1042442414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4142442401 - 22 = 4142442397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142442407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423905 + ... + 433566.

It is an arithmetic number, because the mean of its divisors is an integer number (1035826176).

Almost surely, 24142442401 is an apocalyptic number.

It is an amenable number.

4142442401 is a deficient number, since it is larger than the sum of its proper divisors (862303).

4142442401 is an equidigital number, since it uses as much as digits as its factorization.

4142442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862302.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 4142442401 is about 64361.8085591137. The cubic root of 4142442401 is about 1606.0244752211.

Adding to 4142442401 its reverse (1042442414), we get a palindrome (5184884815).

The spelling of 4142442401 in words is "four billion, one hundred forty-two million, four hundred forty-two thousand, four hundred one".

Divisors: 1 4831 857471 4142442401