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1671942228 = 2231138932561
BaseRepresentation
bin110001110100111…
…1101000001010100
311022112001110120020
41203221331001110
511411004122403
6433523305140
756301163065
oct14351750124
94275043506
101671942228
11788849a40
123a7b1b1b0
13208504638
1411c0a056c
159bbb0453
hex63a7d054

1671942228 has 48 divisors (see below), whose sum is σ = 4266924480. Its totient is φ = 505331200.

The previous prime is 1671942227. The next prime is 1671942253. The reversal of 1671942228 is 8222491761.

It is a self number, because there is not a number n which added to its sum of digits gives 1671942228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671942227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35068 + ... + 67628.

It is an arithmetic number, because the mean of its divisors is an integer number (88894260).

Almost surely, 21671942228 is an apocalyptic number.

It is an amenable number.

1671942228 is an abundant number, since it is smaller than the sum of its proper divisors (2594982252).

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

1671942228 is a wasteful number, since it uses less digits than its factorization.

1671942228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32968 (or 32966 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 1671942228 is about 40889.3901641979. The cubic root of 1671942228 is about 1186.8807578139.

The spelling of 1671942228 in words is "one billion, six hundred seventy-one million, nine hundred forty-two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 389 778 1167 1556 2334 4279 4668 8558 12837 17116 25674 32561 51348 65122 97683 130244 195366 358171 390732 716342 1074513 1432684 2149026 4298052 12666229 25332458 37998687 50664916 75997374 139328519 151994748 278657038 417985557 557314076 835971114 1671942228