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383434668 = 223319186859
BaseRepresentation
bin10110110110101…
…011111110101100
3222201111111111000
4112312223332230
51241124402133
6102014200300
712334066221
oct2666537654
9881444430
10383434668
11187491161
12a84b3090
1361591626
1438cd1948
15239e0413
hex16dabfac

383434668 has 48 divisors (see below), whose sum is σ = 1046416000. Its totient is φ = 121083984.

The previous prime is 383434657. The next prime is 383434669. The reversal of 383434668 is 866434383.

It is not an unprimeable number, because it can be changed into a prime (383434669) by changing a digit.

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, 91378 + ... + 95481.

Almost surely, 2383434668 is an apocalyptic number.

383434668 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

383434668 is an abundant number, since it is smaller than the sum of its proper divisors (662981332).

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

383434668 is a wasteful number, since it uses less digits than its factorization.

383434668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186891 (or 186883 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 383434668 is about 19581.4878903519. The cubic root of 383434668 is about 726.4913687450.

The spelling of 383434668 in words is "three hundred eighty-three million, four hundred thirty-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 108 114 171 228 342 513 684 1026 2052 186859 373718 560577 747436 1121154 1681731 2242308 3363462 3550321 5045193 6726924 7100642 10090386 10650963 14201284 20180772 21301926 31952889 42603852 63905778 95858667 127811556 191717334 383434668