Search a number
-
+
233036421 = 3130159707
BaseRepresentation
bin11011110001111…
…01101010000101
3121020111110212120
431320331222011
5434124131141
635042440153
75526530322
oct1570755205
9536443776
10233036421
1110a5a7792
1266063059
1339383397
1422d41b49
15156d2c66
hexde3da85

233036421 has 8 divisors (see below), whose sum is σ = 310959264. Its totient is φ = 155235600.

The previous prime is 233036407. The next prime is 233036429. The reversal of 233036421 is 124630332.

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

It is not a de Polignac number, because 233036421 - 218 = 232774277 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 233036391 and 233036400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233036429) 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, 25951 + ... + 33756.

It is an arithmetic number, because the mean of its divisors is an integer number (38869908).

Almost surely, 2233036421 is an apocalyptic number.

It is an amenable number.

233036421 is a deficient number, since it is larger than the sum of its proper divisors (77922843).

233036421 is a wasteful number, since it uses less digits than its factorization.

233036421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61011.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 233036421 is about 15265.5304853778. The cubic root of 233036421 is about 615.3770098968.

Adding to 233036421 its reverse (124630332), we get a palindrome (357666753).

The spelling of 233036421 in words is "two hundred thirty-three million, thirty-six thousand, four hundred twenty-one".

Divisors: 1 3 1301 3903 59707 179121 77678807 233036421