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61233 = 320411
BaseRepresentation
bin1110111100110001
310002222220
432330301
53424413
61151253
7343344
oct167461
9102886
1061233
1142007
122b529
1321b43
141845b
1513223
hexef31

61233 has 4 divisors (see below), whose sum is σ = 81648. Its totient is φ = 40820.

The previous prime is 61231. The next prime is 61253. The reversal of 61233 is 33216.

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 61233 - 21 = 61231 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (61231) 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, 10203 + ... + 10208.

It is an arithmetic number, because the mean of its divisors is an integer number (20412).

261233 is an apocalyptic number.

It is an amenable number.

61233 is a deficient number, since it is larger than the sum of its proper divisors (20415).

61233 is a wasteful number, since it uses less digits than its factorization.

61233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20414.

The product of its digits is 108, while the sum is 15.

The square root of 61233 is about 247.4530258453. The cubic root of 61233 is about 39.4150285802.

Adding to 61233 its reverse (33216), we get a palindrome (94449).

The spelling of 61233 in words is "sixty-one thousand, two hundred thirty-three".

Divisors: 1 3 20411 61233