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228522470 = 25116134057
BaseRepresentation
bin11011001111011…
…11100111100110
3120221000010220012
431213233213212
5432000204340
634402010222
75443260161
oct1547574746
9527003805
10228522470
11107aa4350
1264646972
13384628c7
14224c8ad8
15150e0565
hexd9ef9e6

228522470 has 32 divisors (see below), whose sum is σ = 456104736. Its totient is φ = 81734400.

The previous prime is 228522467. The next prime is 228522487. The reversal of 228522470 is 74225822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10319 + ... + 23738.

It is an arithmetic number, because the mean of its divisors is an integer number (14253273).

Almost surely, 2228522470 is an apocalyptic number.

228522470 is a deficient number, since it is larger than the sum of its proper divisors (227582266).

228522470 is a wasteful number, since it uses less digits than its factorization.

228522470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34136.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 228522470 is about 15116.9596810999. The cubic root of 228522470 is about 611.3777601332.

The spelling of 228522470 in words is "two hundred twenty-eight million, five hundred twenty-two thousand, four hundred seventy".

Divisors: 1 2 5 10 11 22 55 61 110 122 305 610 671 1342 3355 6710 34057 68114 170285 340570 374627 749254 1873135 2077477 3746270 4154954 10387385 20774770 22852247 45704494 114261235 228522470