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234947285 = 5241194977
BaseRepresentation
bin11100000000100…
…00001011010101
3121101002120002022
432000100023111
5440121303120
635151422525
75552006336
oct1600201325
9541076068
10234947285
11110692411
1266824a45
13398a2081
14232bc28d
151595e025
hexe0102d5

234947285 has 8 divisors (see below), whose sum is σ = 283108056. Its totient is φ = 187176960.

The previous prime is 234947281. The next prime is 234947287. The reversal of 234947285 is 582749432.

It can be written as a sum of positive squares in 4 ways, for example, as 80964004 + 153983281 = 8998^2 + 12409^2 .

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

It is not a de Polignac number, because 234947285 - 22 = 234947281 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 (234947281) 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, 96284 + ... + 98693.

It is an arithmetic number, because the mean of its divisors is an integer number (35388507).

Almost surely, 2234947285 is an apocalyptic number.

It is an amenable number.

234947285 is a deficient number, since it is larger than the sum of its proper divisors (48160771).

234947285 is a wasteful number, since it uses less digits than its factorization.

234947285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195223.

The product of its digits is 483840, while the sum is 44.

The square root of 234947285 is about 15327.9902466044. The cubic root of 234947285 is about 617.0544333348.

The spelling of 234947285 in words is "two hundred thirty-four million, nine hundred forty-seven thousand, two hundred eighty-five".

Divisors: 1 5 241 1205 194977 974885 46989457 234947285