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233285142 = 2338880857
BaseRepresentation
bin11011110011110…
…10011000010110
3121020222010001110
431321322120112
5434210111032
635052035450
75531614416
oct1571723026
9536863043
10233285142
1110a757642
1266162b86
133943c65c
1422da8646
15157317cc
hexde7a616

233285142 has 8 divisors (see below), whose sum is σ = 466570296. Its totient is φ = 77761712.

The previous prime is 233285141. The next prime is 233285147. The reversal of 233285142 is 241582332.

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

233285142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233285141) 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, 19440423 + ... + 19440434.

It is an arithmetic number, because the mean of its divisors is an integer number (58321287).

Almost surely, 2233285142 is an apocalyptic number.

233285142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233285142 is a wasteful number, since it uses less digits than its factorization.

233285142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38880862.

The product of its digits is 11520, while the sum is 30.

The square root of 233285142 is about 15273.6748033995. The cubic root of 233285142 is about 615.5958637623.

The spelling of 233285142 in words is "two hundred thirty-three million, two hundred eighty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 38880857 77761714 116642571 233285142