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80089844 = 2220022461
BaseRepresentation
bin1001100011000…
…01001011110100
312120200222121112
410301201023310
5131000333334
611540334152
71661516042
oct461411364
9176628545
1080089844
114123275a
12229a4358
1313792253
14a8cb392
1570704ce
hex4c612f4

80089844 has 6 divisors (see below), whose sum is σ = 140157234. Its totient is φ = 40044920.

The previous prime is 80089829. The next prime is 80089847. The reversal of 80089844 is 44898008.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 879844 = 8900^2 + 938^2 .

It is a super-2 number, since 2×800898442 = 12828766223888672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80089847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011227 + ... + 10011234.

It is an arithmetic number, because the mean of its divisors is an integer number (23359539).

Almost surely, 280089844 is an apocalyptic number.

It is an amenable number.

80089844 is a deficient number, since it is larger than the sum of its proper divisors (60067390).

80089844 is a wasteful number, since it uses less digits than its factorization.

80089844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022465 (or 20022463 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 80089844 is about 8949.2929329640. The cubic root of 80089844 is about 431.0481801857.

The spelling of 80089844 in words is "eighty million, eighty-nine thousand, eight hundred forty-four".

Divisors: 1 2 4 20022461 40044922 80089844