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228023078 = 2836772029
BaseRepresentation
bin11011001011101…
…01101100100110
3120220001202212012
431211311230212
5431333214303
634343154222
75436110213
oct1545655446
9526052765
10228023078
11107793128
1264445972
13383194ca
14223d8b0a
15150425d8
hexd975b26

228023078 has 16 divisors (see below), whose sum is σ = 346837680. Its totient is φ = 112416096.

The previous prime is 228023077. The next prime is 228023087. The reversal of 228023078 is 870320822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228023071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111368 + ... + 113396.

It is an arithmetic number, because the mean of its divisors is an integer number (21677355).

Almost surely, 2228023078 is an apocalyptic number.

228023078 is a deficient number, since it is larger than the sum of its proper divisors (118814602).

228023078 is a wasteful number, since it uses less digits than its factorization.

228023078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 228023078 is about 15100.4330401482. The cubic root of 228023078 is about 610.9320857438.

The spelling of 228023078 in words is "two hundred twenty-eight million, twenty-three thousand, seventy-eight".

Divisors: 1 2 83 166 677 1354 2029 4058 56191 112382 168407 336814 1373633 2747266 114011539 228023078