Search a number
-
+
4157401 = 17244553
BaseRepresentation
bin1111110110111111011001
321211012212211
433312333121
52031014101
6225035121
750223463
oct17667731
97735784
104157401
11238a576
121485aa1
13b27401
147a3133
15571c51
hex3f6fd9

4157401 has 4 divisors (see below), whose sum is σ = 4401972. Its totient is φ = 3912832.

The previous prime is 4157399. The next prime is 4157429. The reversal of 4157401 is 1047514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 2253001 = 1380^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 4157401 - 21 = 4157399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4157471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122260 + ... + 122293.

It is an arithmetic number, because the mean of its divisors is an integer number (1100493).

Almost surely, 24157401 is an apocalyptic number.

It is an amenable number.

4157401 is a deficient number, since it is larger than the sum of its proper divisors (244571).

4157401 is a wasteful number, since it uses less digits than its factorization.

4157401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244570.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 4157401 is about 2038.9705735984. The cubic root of 4157401 is about 160.7955302050.

The spelling of 4157401 in words is "four million, one hundred fifty-seven thousand, four hundred one".

Divisors: 1 17 244553 4157401