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229117790 = 25112082889
BaseRepresentation
bin11011010100000…
…00111101011110
3120222010101112002
431222000331132
5432123232130
634422442302
75451316616
oct1552007536
9528111462
10229117790
11108370650
1264893392
1338610875
1422601a46
15151abb45
hexda80f5e

229117790 has 16 divisors (see below), whose sum is σ = 449904240. Its totient is φ = 83315520.

The previous prime is 229117753. The next prime is 229117849. The reversal of 229117790 is 97711922.

229117790 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041335 + ... + 1041554.

It is an arithmetic number, because the mean of its divisors is an integer number (28119015).

Almost surely, 2229117790 is an apocalyptic number.

229117790 is a deficient number, since it is larger than the sum of its proper divisors (220786450).

229117790 is a wasteful number, since it uses less digits than its factorization.

229117790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082907.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 229117790 is about 15136.6373412327. The cubic root of 229117790 is about 611.9081963909.

The spelling of 229117790 in words is "two hundred twenty-nine million, one hundred seventeen thousand, seven hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 2082889 4165778 10414445 20828890 22911779 45823558 114558895 229117790