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80071941 = 3223119689
BaseRepresentation
bin1001100010111…
…00110100000101
312120200002001110
410301130310011
5130444300231
611540115233
71661412615
oct461346405
9176602043
1080071941
1141220264
1222995b19
1313787061
14a8c4a45
15706a046
hex4c5cd05

80071941 has 8 divisors (see below), whose sum is σ = 107242240. Its totient is φ = 53141472.

The previous prime is 80071939. The next prime is 80071949. The reversal of 80071941 is 14917008.

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

It is not a de Polignac number, because 80071941 - 21 = 80071939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80071899 and 80071908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80071949) 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, 59176 + ... + 60513.

It is an arithmetic number, because the mean of its divisors is an integer number (13405280).

Almost surely, 280071941 is an apocalyptic number.

It is an amenable number.

80071941 is a deficient number, since it is larger than the sum of its proper divisors (27170299).

80071941 is a wasteful number, since it uses less digits than its factorization.

80071941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119915.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 80071941 is about 8948.2926304407. The cubic root of 80071941 is about 431.0160594644.

Adding to 80071941 its reverse (14917008), we get a palindrome (94988949).

The spelling of 80071941 in words is "eighty million, seventy-one thousand, nine hundred forty-one".

Divisors: 1 3 223 669 119689 359067 26690647 80071941