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228370774 = 2114185387
BaseRepresentation
bin11011001110010…
…10100101010110
3120220201102210211
431213022211112
5431430331044
634354440034
75442056002
oct1547124526
9526642724
10228370774
11107a00385
126459301a
133840b848
1422489702
15150b0634
hexd9ca956

228370774 has 4 divisors (see below), whose sum is σ = 342556164. Its totient is φ = 114185386.

The previous prime is 228370729. The next prime is 228370781. The reversal of 228370774 is 477073822.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57092692 + ... + 57092695.

It is an arithmetic number, because the mean of its divisors is an integer number (85639041).

Almost surely, 2228370774 is an apocalyptic number.

228370774 is a deficient number, since it is larger than the sum of its proper divisors (114185390).

228370774 is a wasteful number, since it uses less digits than its factorization.

228370774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114185389.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 228370774 is about 15111.9414371549. The cubic root of 228370774 is about 611.2424501865.

The spelling of 228370774 in words is "two hundred twenty-eight million, three hundred seventy thousand, seven hundred seventy-four".

Divisors: 1 2 114185387 228370774