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817090034 = 21842722171
BaseRepresentation
bin110000101100111…
…100110111110010
32002221111110210212
4300230330313302
53133133340114
6213025024122
726151102455
oct6054746762
92087443725
10817090034
1138a253922
121a9785042
13100387937
147a73749c
154bb00b3e
hex30b3cdf2

817090034 has 8 divisors (see below), whose sum is σ = 1225756848. Its totient is φ = 408504420.

The previous prime is 817090013. The next prime is 817090049. The reversal of 817090034 is 430090718.

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

It is a super-2 number, since 2×8170900342 = 1335272247324242312, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25769 + ... + 47939.

It is an arithmetic number, because the mean of its divisors is an integer number (153219606).

Almost surely, 2817090034 is an apocalyptic number.

817090034 is a deficient number, since it is larger than the sum of its proper divisors (408666814).

817090034 is a wasteful number, since it uses less digits than its factorization.

817090034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40600.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 817090034 is about 28584.7867579942. The cubic root of 817090034 is about 934.8816550721.

The spelling of 817090034 in words is "eight hundred seventeen million, ninety thousand, thirty-four".

Divisors: 1 2 18427 22171 36854 44342 408545017 817090034