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234540093 = 3569137399
BaseRepresentation
bin11011111101011…
…00110000111101
3121100022212112010
431332230300331
5440020240333
635135001433
75545362234
oct1576546075
9540285463
10234540093
11110434497
1266669279
133978b928
1423213b1b
15158cd563
hexdfacc3d

234540093 has 8 divisors (see below), whose sum is σ = 313272000. Its totient is φ = 156084128.

The previous prime is 234540091. The next prime is 234540101. The reversal of 234540093 is 390045432.

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 234540093 - 21 = 234540091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234540093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234540091) 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, 66993 + ... + 70406.

It is an arithmetic number, because the mean of its divisors is an integer number (39159000).

Almost surely, 2234540093 is an apocalyptic number.

It is an amenable number.

234540093 is a deficient number, since it is larger than the sum of its proper divisors (78731907).

234540093 is a wasteful number, since it uses less digits than its factorization.

234540093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137971.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 234540093 is about 15314.7018580187. The cubic root of 234540093 is about 616.6977505961.

The spelling of 234540093 in words is "two hundred thirty-four million, five hundred forty thousand, ninety-three".

Divisors: 1 3 569 1707 137399 412197 78180031 234540093