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228828174 = 23312574787
BaseRepresentation
bin11011010001110…
…10010000001110
3120221120200020120
431220322100032
5432040000144
634412325410
75446002351
oct1550722016
9527520216
10228828174
11108192aa3
1264773866
133853bab3
1422568298
1515150e19
hexda3a40e

228828174 has 32 divisors (see below), whose sum is σ = 474356736. Its totient is φ = 73512960.

The previous prime is 228828163. The next prime is 228828179. The reversal of 228828174 is 471828822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228828179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45409 + ... + 50195.

It is an arithmetic number, because the mean of its divisors is an integer number (14823648).

Almost surely, 2228828174 is an apocalyptic number.

228828174 is an abundant number, since it is smaller than the sum of its proper divisors (245528562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228828174 is a wasteful number, since it uses less digits than its factorization.

228828174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080.

The product of its digits is 114688, while the sum is 42.

The square root of 228828174 is about 15127.0675942167. The cubic root of 228828174 is about 611.6502604655.

The spelling of 228828174 in words is "two hundred twenty-eight million, eight hundred twenty-eight thousand, one hundred seventy-four".

Divisors: 1 2 3 6 31 62 93 186 257 514 771 1542 4787 7967 9574 14361 15934 23901 28722 47802 148397 296794 445191 890382 1230259 2460518 3690777 7381554 38138029 76276058 114414087 228828174