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228484923 = 3417612441
BaseRepresentation
bin11011001111001…
…10011100111011
3120220221020101120
431213212130323
5431443004143
634401120323
75443042542
oct1547463473
9526836346
10228484923
11107a79117
12646290a3
133844b7a4
14224b9159
15150d4383
hexd9e673b

228484923 has 16 divisors (see below), whose sum is σ = 312615072. Its totient is φ = 148352000.

The previous prime is 228484897. The next prime is 228484931. The reversal of 228484923 is 329484822.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 228484923 - 26 = 228484859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228484723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92383 + ... + 94823.

It is an arithmetic number, because the mean of its divisors is an integer number (19538442).

Almost surely, 2228484923 is an apocalyptic number.

228484923 is a deficient number, since it is larger than the sum of its proper divisors (84130149).

228484923 is a wasteful number, since it uses less digits than its factorization.

228484923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246.

The product of its digits is 221184, while the sum is 42.

The square root of 228484923 is about 15115.7177467694. The cubic root of 228484923 is about 611.3442745010.

The spelling of 228484923 in words is "two hundred twenty-eight million, four hundred eighty-four thousand, nine hundred twenty-three".

Divisors: 1 3 41 123 761 2283 2441 7323 31201 93603 100081 300243 1857601 5572803 76161641 228484923