Search a number
-
+
232514021 = 536616637
BaseRepresentation
bin11011101101111…
…10000111100101
3121012111221021102
431312332013211
5434010422041
635023325445
75522223305
oct1566760745
9535457242
10232514021
1110a280253
1265a50885
133922c67c
1422c47605
151562d09b
hexddbe1e5

232514021 has 8 divisors (see below), whose sum is σ = 237295224. Its totient is φ = 227747520.

The previous prime is 232513999. The next prime is 232514027. The reversal of 232514021 is 120415232.

It can be written as a sum of positive squares in 4 ways, for example, as 24750625 + 207763396 = 4975^2 + 14414^2 .

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 232514021 - 226 = 165405157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232513984 and 232514002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232514027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31715 + ... + 38351.

It is an arithmetic number, because the mean of its divisors is an integer number (29661903).

Almost surely, 2232514021 is an apocalyptic number.

It is an amenable number.

232514021 is a deficient number, since it is larger than the sum of its proper divisors (4781203).

232514021 is an equidigital number, since it uses as much as digits as its factorization.

232514021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 232514021 is about 15248.4104417477. The cubic root of 232514021 is about 614.9168336655.

Adding to 232514021 its reverse (120415232), we get a palindrome (352929253).

It can be divided in two parts, 23251 and 4021, that added together give a palindrome (27272).

The spelling of 232514021 in words is "two hundred thirty-two million, five hundred fourteen thousand, twenty-one".

Divisors: 1 53 661 6637 35033 351761 4387057 232514021