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80008061 = 716370121
BaseRepresentation
bin1001100010011…
…01001101111101
312120112211102112
410301031031331
5130440224221
611534503405
71661025440
oct461151575
9176484375
1080008061
1141187271
1222964b65
1313763c63
14a8a9657
15705615b
hex4c4d37d

80008061 has 8 divisors (see below), whose sum is σ = 92000064. Its totient is φ = 68156640.

The previous prime is 80008057. The next prime is 80008067. The reversal of 80008061 is 16080008.

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

It is a cyclic number.

It is not a de Polignac number, because 80008061 - 22 = 80008057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80008067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33920 + ... + 36201.

It is an arithmetic number, because the mean of its divisors is an integer number (11500008).

Almost surely, 280008061 is an apocalyptic number.

It is an amenable number.

80008061 is a deficient number, since it is larger than the sum of its proper divisors (11992003).

80008061 is a wasteful number, since it uses less digits than its factorization.

80008061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70291.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 80008061 is about 8944.7225222474. The cubic root of 80008061 is about 430.9014099353.

Adding to 80008061 its reverse (16080008), we get a palindrome (96088069).

It can be divided in two parts, 8000 and 8061, that added together give a palindrome (16061).

The spelling of 80008061 in words is "eighty million, eight thousand, sixty-one".

Divisors: 1 7 163 1141 70121 490847 11429723 80008061