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228481934 = 2114240967
BaseRepresentation
bin11011001111001…
…01101110001110
3120220221002021212
431213211232032
5431442410214
634401054422
75443031042
oct1547455616
9526832255
10228481934
11107a7694a
1264627412
133844a315
14224b8022
15150d353e
hexd9e5b8e

228481934 has 4 divisors (see below), whose sum is σ = 342722904. Its totient is φ = 114240966.

The previous prime is 228481933. The next prime is 228481937. The reversal of 228481934 is 439184822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439184822 = 2219592411.

It is a junction number, because it is equal to n+sod(n) for n = 228481891 and 228481900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228481933) 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 as a sum of consecutive naturals, namely, 57120482 + ... + 57120485.

It is an arithmetic number, because the mean of its divisors is an integer number (85680726).

Almost surely, 2228481934 is an apocalyptic number.

228481934 is a deficient number, since it is larger than the sum of its proper divisors (114240970).

228481934 is a wasteful number, since it uses less digits than its factorization.

228481934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114240969.

The product of its digits is 110592, while the sum is 41.

The square root of 228481934 is about 15115.6188758516. The cubic root of 228481934 is about 611.3416086563.

The spelling of 228481934 in words is "two hundred twenty-eight million, four hundred eighty-one thousand, nine hundred thirty-four".

Divisors: 1 2 114240967 228481934