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80040834 = 2328115483
BaseRepresentation
bin1001100010101…
…01001110000010
312120121111101100
410301111032002
5130442301314
611535315230
71661223126
oct461251602
9176544340
1080040834
11411a9955
122297bb16
1313775b53
14a8b7586
157060c09
hex4c55382

80040834 has 24 divisors (see below), whose sum is σ = 173667312. Its totient is φ = 26642520.

The previous prime is 80040833. The next prime is 80040839. The reversal of 80040834 is 43804008.

It is a junction number, because it is equal to n+sod(n) for n = 80040798 and 80040807.

It is not an unprimeable number, because it can be changed into a prime (80040833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11857 + ... + 17339.

It is an arithmetic number, because the mean of its divisors is an integer number (7236138).

Almost surely, 280040834 is an apocalyptic number.

80040834 is an abundant number, since it is smaller than the sum of its proper divisors (93626478).

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

80040834 is a wasteful number, since it uses less digits than its factorization.

80040834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302 (or 6299 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 80040834 is about 8946.5543087828. The cubic root of 80040834 is about 430.9602373583.

The spelling of 80040834 in words is "eighty million, forty thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 811 1622 2433 4866 5483 7299 10966 14598 16449 32898 49347 98694 4446713 8893426 13340139 26680278 40020417 80040834