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6180481 = 137197229
BaseRepresentation
bin10111100100111010000001
3102122000000201
4113210322001
53040233411
6340245201
7103350616
oct27447201
912560021
106180481
11354153a
1220a0801
1313851b8
14b6c50d
158213c1
hex5e4e81

6180481 has 8 divisors (see below), whose sum is σ = 6284520. Its totient is φ = 6077568.

The previous prime is 6180413. The next prime is 6180497. The reversal of 6180481 is 1840816.

It can be written as a sum of positive squares in 4 ways, for example, as 4477456 + 1703025 = 2116^2 + 1305^2 .

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 6180481 - 29 = 6179969 is a prime.

It is a super-2 number, since 2×61804812 = 76396690782722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6189481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26875 + ... + 27103.

It is an arithmetic number, because the mean of its divisors is an integer number (785565).

Almost surely, 26180481 is an apocalyptic number.

It is an amenable number.

6180481 is a deficient number, since it is larger than the sum of its proper divisors (104039).

6180481 is a wasteful number, since it uses less digits than its factorization.

6180481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 6180481 is about 2486.0573203368. The cubic root of 6180481 is about 183.5160664731.

The spelling of 6180481 in words is "six million, one hundred eighty thousand, four hundred eighty-one".

Divisors: 1 137 197 229 26989 31373 45113 6180481