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80046421 = 7131759877
BaseRepresentation
bin1001100010101…
…10100101010101
312120121210001021
410301112211111
5130442441141
611535401141
71661245330
oct461264525
9176553037
1080046421
1141203074
12229831b1
1313778560
14a8b9617
1570626d1
hex4c56955

80046421 has 32 divisors (see below), whose sum is σ = 106202880. Its totient is φ = 58530816.

The previous prime is 80046413. The next prime is 80046443. The reversal of 80046421 is 12464008.

It is a cyclic number.

It is not a de Polignac number, because 80046421 - 23 = 80046413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80046481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90835 + ... + 91711.

It is an arithmetic number, because the mean of its divisors is an integer number (3318840).

Almost surely, 280046421 is an apocalyptic number.

It is an amenable number.

80046421 is a deficient number, since it is larger than the sum of its proper divisors (26156459).

80046421 is a wasteful number, since it uses less digits than its factorization.

80046421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 80046421 is about 8946.8665464508. The cubic root of 80046421 is about 430.9702644020.

The spelling of 80046421 in words is "eighty million, forty-six thousand, four hundred twenty-one".

Divisors: 1 7 13 17 59 91 119 221 413 767 877 1003 1547 5369 6139 7021 11401 13039 14909 51743 79807 91273 104363 193817 362201 672659 879631 1356719 4708613 6157417 11435203 80046421