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234424809 = 32231132487
BaseRepresentation
bin11011111100100…
…00100111101001
3121100010000101100
431332100213221
5440003043214
635132312013
75544402153
oct1576204751
9540100340
10234424809
11110365913
1266612609
133974b308
14231c3ad3
15158a9309
hexdf909e9

234424809 has 12 divisors (see below), whose sum is σ = 353336256. Its totient is φ = 149488152.

The previous prime is 234424753. The next prime is 234424811. The reversal of 234424809 is 908424432.

It is not a de Polignac number, because 234424809 - 211 = 234422761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234424819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566037 + ... + 566450.

It is an arithmetic number, because the mean of its divisors is an integer number (29444688).

Almost surely, 2234424809 is an apocalyptic number.

It is an amenable number.

234424809 is a deficient number, since it is larger than the sum of its proper divisors (118911447).

234424809 is a wasteful number, since it uses less digits than its factorization.

234424809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132516 (or 1132513 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 234424809 is about 15310.9375611032. The cubic root of 234424809 is about 616.5966917760.

The spelling of 234424809 in words is "two hundred thirty-four million, four hundred twenty-four thousand, eight hundred nine".

Divisors: 1 3 9 23 69 207 1132487 3397461 10192383 26047201 78141603 234424809