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228204086 = 2113727577
BaseRepresentation
bin11011001101000…
…01111000110110
3120220101222011012
431212201320312
5431410012321
634351112222
75440463015
oct1546417066
9526358135
10228204086
111078a7120
1264512672
1338380a06
1422444a7c
151507b05b
hexd9a1e36

228204086 has 24 divisors (see below), whose sum is σ = 383840856. Its totient is φ = 100912320.

The previous prime is 228204083. The next prime is 228204089. The reversal of 228204086 is 680402822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228204083) and next prime (228204089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228204083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26330 + ... + 33906.

It is an arithmetic number, because the mean of its divisors is an integer number (15993369).

Almost surely, 2228204086 is an apocalyptic number.

228204086 is a deficient number, since it is larger than the sum of its proper divisors (155636770).

228204086 is a wasteful number, since it uses less digits than its factorization.

228204086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664 (or 7627 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 228204086 is about 15106.4253216967. The cubic root of 228204086 is about 611.0936985476.

The spelling of 228204086 in words is "two hundred twenty-eight million, two hundred four thousand, eighty-six".

Divisors: 1 2 11 22 37 74 407 814 1369 2738 7577 15059 15154 30118 83347 166694 280349 560698 3083839 6167678 10372913 20745826 114102043 228204086