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228084253 = 12710211759
BaseRepresentation
bin11011001100001…
…00101000011101
3120220011212202221
431212010220131
5431342144003
634344345341
75436453445
oct1546045035
9526155687
10228084253
11107825091
1264475251
133833b2c7
1422413125
15150557bd
hexd984a1d

228084253 has 8 divisors (see below), whose sum is σ = 230236160. Its totient is φ = 225938160.

The previous prime is 228084251. The next prime is 228084277. The reversal of 228084253 is 352480822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228084253 - 21 = 228084251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228084251) 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 7 ways as a sum of consecutive naturals, for example, 128788 + ... + 130546.

It is an arithmetic number, because the mean of its divisors is an integer number (28779520).

Almost surely, 2228084253 is an apocalyptic number.

It is an amenable number.

228084253 is a deficient number, since it is larger than the sum of its proper divisors (2151907).

228084253 is a wasteful number, since it uses less digits than its factorization.

228084253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 228084253 is about 15102.4585084681. The cubic root of 228084253 is about 610.9867153437.

The spelling of 228084253 in words is "two hundred twenty-eight million, eighty-four thousand, two hundred fifty-three".

Divisors: 1 127 1021 1759 129667 223393 1795939 228084253