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1608197074 = 21173099867
BaseRepresentation
bin101111111011011…
…0010001111010010
311011002002212122121
41133312302033102
511243144301244
6423325124454
754565310131
oct13766621722
94132085577
101608197074
117558702a0
1238a6b972a
131c8245b03
14113829918
15962bcc84
hex5fdb23d2

1608197074 has 8 divisors (see below), whose sum is σ = 2631595248. Its totient is φ = 730998660.

The previous prime is 1608197051. The next prime is 1608197077. The reversal of 1608197074 is 4707918061.

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

It is a super-2 number, since 2×16081970742 = 5172595657644322952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1608197074.

It is not an unprimeable number, because it can be changed into a prime (1608197077) 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 3 ways as a sum of consecutive naturals, for example, 36549912 + ... + 36549955.

It is an arithmetic number, because the mean of its divisors is an integer number (328949406).

Almost surely, 21608197074 is an apocalyptic number.

1608197074 is a deficient number, since it is larger than the sum of its proper divisors (1023398174).

1608197074 is a wasteful number, since it uses less digits than its factorization.

1608197074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73099880.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 1608197074 is about 40102.3325256774. The cubic root of 1608197074 is about 1171.6010598261.

The spelling of 1608197074 in words is "one billion, six hundred eight million, one hundred ninety-seven thousand, seventy-four".

Divisors: 1 2 11 22 73099867 146199734 804098537 1608197074