Search a number
-
+
233142001 = 435421907
BaseRepresentation
bin11011110010101…
…11011011110001
3121020200211200221
431321113123301
5434141021001
635045013041
75530450201
oct1571273361
9536624627
10233142001
1110a66a044
12660b4181
13393bc461
1422d6c401
15157041a1
hexde576f1

233142001 has 4 divisors (see below), whose sum is σ = 238563952. Its totient is φ = 227720052.

The previous prime is 233141983. The next prime is 233142011. The reversal of 233142001 is 100241332.

It is a happy number.

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 233142001 - 211 = 233139953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233142011) 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, 2710911 + ... + 2710996.

It is an arithmetic number, because the mean of its divisors is an integer number (59640988).

Almost surely, 2233142001 is an apocalyptic number.

It is an amenable number.

233142001 is a deficient number, since it is larger than the sum of its proper divisors (5421951).

233142001 is an equidigital number, since it uses as much as digits as its factorization.

233142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421950.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 233142001 is about 15268.9882114042. The cubic root of 233142001 is about 615.4699305582.

Adding to 233142001 its reverse (100241332), we get a palindrome (333383333).

The spelling of 233142001 in words is "two hundred thirty-three million, one hundred forty-two thousand, one".

Divisors: 1 43 5421907 233142001