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199032068 = 22192618843
BaseRepresentation
bin10111101110011…
…11110100000100
3111212111212200002
423313033310010
5401423011233
631425540432
74634513264
oct1367176404
9455455602
10199032068
11a2391814
12567a4718
1332308871
141c60d7a4
15127176e8
hexbdcfd04

199032068 has 12 divisors (see below), whose sum is σ = 366638160. Its totient is φ = 94278312.

The previous prime is 199032061. The next prime is 199032077. The reversal of 199032068 is 860230991.

It is a super-2 number, since 2×1990320682 = 79227528184713248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (199032061) 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, 1309346 + ... + 1309497.

It is an arithmetic number, because the mean of its divisors is an integer number (30553180).

Almost surely, 2199032068 is an apocalyptic number.

It is an amenable number.

199032068 is a deficient number, since it is larger than the sum of its proper divisors (167606092).

199032068 is a wasteful number, since it uses less digits than its factorization.

199032068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618866 (or 2618864 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 199032068 is about 14107.8725540033. The cubic root of 199032068 is about 583.8586048193.

The spelling of 199032068 in words is "one hundred ninety-nine million, thirty-two thousand, sixty-eight".

Divisors: 1 2 4 19 38 76 2618843 5237686 10475372 49758017 99516034 199032068