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6155081 = 31211941
BaseRepresentation
bin10111011110101101001001
3102120201011222
4113132231021
53033430311
6335531425
7103213562
oct27365511
912521158
106155081
113524449
122089b75
13137677a
14b63169
15818adb
hex5deb49

6155081 has 8 divisors (see below), whose sum is σ = 6390528. Its totient is φ = 5922000.

The previous prime is 6155077. The next prime is 6155087. The reversal of 6155081 is 1805516.

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 6155081 - 22 = 6155077 is a prime.

It is a super-2 number, since 2×61550812 = 75770044233122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6155081.

It is not an unprimeable number, because it can be changed into a prime (6155087) 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, 6071 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (798816).

Almost surely, 26155081 is an apocalyptic number.

It is an amenable number.

6155081 is a deficient number, since it is larger than the sum of its proper divisors (235447).

6155081 is a wasteful number, since it uses less digits than its factorization.

6155081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 6155081 is about 2480.9435704989. The cubic root of 6155081 is about 183.2643218676.

The spelling of 6155081 in words is "six million, one hundred fifty-five thousand, eighty-one".

Divisors: 1 31 211 941 6541 29171 198551 6155081