[go: up one dir, main page]

Search a number
-
+
4254431 = 5972109
BaseRepresentation
bin10000001110101011011111
322000010222112
4100032223133
52042120211
6231104235
751106406
oct20165337
98003875
104254431
112446465
12151207b
13b5c61c
147ca63d
1559088b
hex40eadf

4254431 has 4 divisors (see below), whose sum is σ = 4326600. Its totient is φ = 4182264.

The previous prime is 4254389. The next prime is 4254449. The reversal of 4254431 is 1344524.

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

It is a cyclic number.

It is not a de Polignac number, because 4254431 - 222 = 60127 is a prime.

It is a super-2 number, since 2×42544312 = 36200366267522, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 42 + 25 + 5 + 45 + 411 + 310 + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4254397 and 4254406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4254451) 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, 35996 + ... + 36113.

It is an arithmetic number, because the mean of its divisors is an integer number (1081650).

Almost surely, 24254431 is an apocalyptic number.

4254431 is a deficient number, since it is larger than the sum of its proper divisors (72169).

4254431 is an equidigital number, since it uses as much as digits as its factorization.

4254431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72168.

The product of its digits is 1920, while the sum is 23.

The square root of 4254431 is about 2062.6272081983. The cubic root of 4254431 is about 162.0368635309.

Adding to 4254431 its reverse (1344524), we get a palindrome (5598955).

The spelling of 4254431 in words is "four million, two hundred fifty-four thousand, four hundred thirty-one".

Divisors: 1 59 72109 4254431