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994890190 = 25714212717
BaseRepresentation
bin111011010011001…
…101000111001110
32120100001122202211
4323103031013032
54014142441230
6242415541034
733440266330
oct7323150716
92510048684
10994890190
114706537a8
1223922a77a
1312b16b428
14961bb450
155c52242a
hex3b4cd1ce

994890190 has 16 divisors (see below), whose sum is σ = 2046631392. Its totient is φ = 341105184.

The previous prime is 994890181. The next prime is 994890191. The reversal of 994890190 is 91098499.

It is a super-2 number, since 2×9948901902 = 1979612980316472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994890191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7106289 + ... + 7106428.

It is an arithmetic number, because the mean of its divisors is an integer number (127914462).

Almost surely, 2994890190 is an apocalyptic number.

994890190 is an abundant number, since it is smaller than the sum of its proper divisors (1051741202).

994890190 is a wasteful number, since it uses less digits than its factorization.

994890190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14212731.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 994890190 is about 31541.8799376321. The cubic root of 994890190 is about 998.2938206075.

The spelling of 994890190 in words is "nine hundred ninety-four million, eight hundred ninety thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 14212717 28425434 71063585 99489019 142127170 198978038 497445095 994890190