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83010481 = 1031974091
BaseRepresentation
bin1001111001010…
…10001110110001
312210012100222021
410330222032301
5132222313411
612123111441
72025402031
oct474521661
9183170867
1083010481
1142948004
1223972581
1314275738
14b04b8c1
15744aa71
hex4f2a3b1

83010481 has 8 divisors (see below), whose sum is σ = 84262464. Its totient is φ = 81767280.

The previous prime is 83010479. The next prime is 83010503. The reversal of 83010481 is 18401038.

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 83010481 - 21 = 83010479 is a prime.

It is a super-2 number, since 2×830104812 = 13781479911702722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83010451) 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, 18246 + ... + 22336.

It is an arithmetic number, because the mean of its divisors is an integer number (10532808).

Almost surely, 283010481 is an apocalyptic number.

It is an amenable number.

83010481 is a deficient number, since it is larger than the sum of its proper divisors (1251983).

83010481 is a wasteful number, since it uses less digits than its factorization.

83010481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 83010481 is about 9111.0087805907. The cubic root of 83010481 is about 436.2254273617.

It can be divided in two parts, 830 and 10481, that added together give a palindrome (11311).

The spelling of 83010481 in words is "eighty-three million, ten thousand, four hundred eighty-one".

Divisors: 1 103 197 4091 20291 421373 805927 83010481