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228253026 = 23291311799
BaseRepresentation
bin11011001101011…
…01110101100010
3120220111110021210
431212231311202
5431413044101
634352130550
75441055501
oct1546556542
9526443253
10228253026
1110792a971
1264536a56
133839a081
1422458838
151508a7d6
hexd9add62

228253026 has 16 divisors (see below), whose sum is σ = 472248000. Its totient is φ = 73460688.

The previous prime is 228253019. The next prime is 228253087. The reversal of 228253026 is 620352822.

It is a junction number, because it is equal to n+sod(n) for n = 228252984 and 228253002.

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, 655726 + ... + 656073.

It is an arithmetic number, because the mean of its divisors is an integer number (29515500).

Almost surely, 2228253026 is an apocalyptic number.

228253026 is an abundant number, since it is smaller than the sum of its proper divisors (243994974).

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

228253026 is a wasteful number, since it uses less digits than its factorization.

228253026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311833.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 228253026 is about 15108.0450753895. The cubic root of 228253026 is about 611.1373798981.

The spelling of 228253026 in words is "two hundred twenty-eight million, two hundred fifty-three thousand, twenty-six".

Divisors: 1 2 3 6 29 58 87 174 1311799 2623598 3935397 7870794 38042171 76084342 114126513 228253026