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228748370 = 2522874837
BaseRepresentation
bin11011010001001…
…10110001010010
3120221102121202212
431220212301102
5432024421440
634410512122
75445220604
oct1550466122
9527377685
10228748370
11108139044
1264735642
1338511686
1422547174
1515137465
hexda26c52

228748370 has 8 divisors (see below), whose sum is σ = 411747084. Its totient is φ = 91499344.

The previous prime is 228748367. The next prime is 228748397. The reversal of 228748370 is 73847822.

It can be written as a sum of positive squares in 2 ways, for example, as 228281881 + 466489 = 15109^2 + 683^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11437409 + ... + 11437428.

Almost surely, 2228748370 is an apocalyptic number.

228748370 is a deficient number, since it is larger than the sum of its proper divisors (182998714).

228748370 is a wasteful number, since it uses less digits than its factorization.

228748370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22874844.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 228748370 is about 15124.4295760204. The cubic root of 228748370 is about 611.5791476999.

The spelling of 228748370 in words is "two hundred twenty-eight million, seven hundred forty-eight thousand, three hundred seventy".

Divisors: 1 2 5 10 22874837 45749674 114374185 228748370