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228506830 = 2522850683
BaseRepresentation
bin11011001111010…
…11110011001110
3120220222100102221
431213223303032
5431444204310
634401405554
75443163446
oct1547536316
9526870387
10228506830
11107a93622
12646398ba
1338458756
14224c3126
15150daada
hexd9ebcce

228506830 has 8 divisors (see below), whose sum is σ = 411312312. Its totient is φ = 91402728.

The previous prime is 228506827. The next prime is 228506833. The reversal of 228506830 is 38605822.

It is an interprime number because it is at equal distance from previous prime (228506827) and next prime (228506833).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228506833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11425332 + ... + 11425351.

It is an arithmetic number, because the mean of its divisors is an integer number (51414039).

Almost surely, 2228506830 is an apocalyptic number.

228506830 is a deficient number, since it is larger than the sum of its proper divisors (182805482).

228506830 is a wasteful number, since it uses less digits than its factorization.

228506830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22850690.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 228506830 is about 15116.4423724632. The cubic root of 228506830 is about 611.3638123197.

The spelling of 228506830 in words is "two hundred twenty-eight million, five hundred six thousand, eight hundred thirty".

Divisors: 1 2 5 10 22850683 45701366 114253415 228506830