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233285061 = 3237132797
BaseRepresentation
bin11011110011110…
…10010111000101
3121020222002221110
431321322113011
5434210110221
635052035233
75531614242
oct1571722705
9536862843
10233285061
1110a757579
1266162b19
133943c5c9
1422da85c9
1515731776
hexde7a5c5

233285061 has 8 divisors (see below), whose sum is σ = 311187424. Its totient is φ = 155453040.

The previous prime is 233285051. The next prime is 233285069. The reversal of 233285061 is 160582332.

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

It is not a de Polignac number, because 233285061 - 214 = 233268677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233285069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9286 + ... + 23511.

It is an arithmetic number, because the mean of its divisors is an integer number (38898428).

Almost surely, 2233285061 is an apocalyptic number.

It is an amenable number.

233285061 is a deficient number, since it is larger than the sum of its proper divisors (77902363).

233285061 is a wasteful number, since it uses less digits than its factorization.

233285061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35171.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 233285061 is about 15273.6721517780. The cubic root of 233285061 is about 615.5957925144.

The spelling of 233285061 in words is "two hundred thirty-three million, two hundred eighty-five thousand, sixty-one".

Divisors: 1 3 2371 7113 32797 98391 77761687 233285061