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228396382 = 2431264961
BaseRepresentation
bin11011001110100…
…00110101011110
3120220202201221021
431213100311132
5431432141012
634355154354
75442223444
oct1547206536
9526681837
10228396382
11107a18645
12645a59ba
133841a3b6
1422494b94
15150b8007
hexd9d0d5e

228396382 has 8 divisors (see below), whose sum is σ = 343390752. Its totient is φ = 113932800.

The previous prime is 228396379. The next prime is 228396401. The reversal of 228396382 is 283693822.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131619 + ... + 133342.

It is an arithmetic number, because the mean of its divisors is an integer number (42923844).

Almost surely, 2228396382 is an apocalyptic number.

228396382 is a deficient number, since it is larger than the sum of its proper divisors (114994370).

228396382 is a wasteful number, since it uses less digits than its factorization.

228396382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265394.

The product of its digits is 248832, while the sum is 43.

The square root of 228396382 is about 15112.7886903774. The cubic root of 228396382 is about 611.2652962383.

The spelling of 228396382 in words is "two hundred twenty-eight million, three hundred ninety-six thousand, three hundred eighty-two".

Divisors: 1 2 431 862 264961 529922 114198191 228396382