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228145082 = 21110370231
BaseRepresentation
bin11011001100100…
…11011110111010
3120220021222012212
431212103132322
5431401120312
634345535122
75440126004
oct1546233672
9526258185
10228145082
11107866860
12644a44a2
133835cbb9
142242b374
1515068822
hexd9937ba

228145082 has 8 divisors (see below), whose sum is σ = 373328352. Its totient is φ = 103702300.

The previous prime is 228145061. The next prime is 228145091. The reversal of 228145082 is 280541822.

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5185094 + ... + 5185137.

It is an arithmetic number, because the mean of its divisors is an integer number (46666044).

Almost surely, 2228145082 is an apocalyptic number.

228145082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228145082 is a deficient number, since it is larger than the sum of its proper divisors (145183270).

228145082 is a wasteful number, since it uses less digits than its factorization.

228145082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370244.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 228145082 is about 15104.4722516214. The cubic root of 228145082 is about 611.0410262792.

The spelling of 228145082 in words is "two hundred twenty-eight million, one hundred forty-five thousand, eighty-two".

Divisors: 1 2 11 22 10370231 20740462 114072541 228145082