Search a number
-
+
4142345 = 54717627
BaseRepresentation
bin1111110011010100001001
321210110020012
433303110021
52030023340
6224441305
750131544
oct17632411
97713205
104142345
11237a229
121479235
13b205bc
1479b85b
1556c565
hex3f3509

4142345 has 8 divisors (see below), whose sum is σ = 5076864. Its totient is φ = 3243184.

The previous prime is 4142311. The next prime is 4142363. The reversal of 4142345 is 5432414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4142345 - 212 = 4138249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4142345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8579 + ... + 9048.

It is an arithmetic number, because the mean of its divisors is an integer number (634608).

Almost surely, 24142345 is an apocalyptic number.

It is an amenable number.

4142345 is a deficient number, since it is larger than the sum of its proper divisors (934519).

4142345 is a wasteful number, since it uses less digits than its factorization.

4142345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17679.

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

The square root of 4142345 is about 2035.2751656717. The cubic root of 4142345 is about 160.6011887670.

Adding to 4142345 its reverse (5432414), we get a palindrome (9574759).

The spelling of 4142345 in words is "four million, one hundred forty-two thousand, three hundred forty-five".

Divisors: 1 5 47 235 17627 88135 828469 4142345