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6120557 = 61269373
BaseRepresentation
bin10111010110010001101101
3102111221211022
4113112101231
53031324212
6335103525
7103011122
oct27262155
912457738
106120557
113500513
122071ba5
131363b41
14b54749
1580d772
hex5d646d

6120557 has 8 divisors (see below), whose sum is σ = 6260760. Its totient is φ = 5981760.

The previous prime is 6120533. The next prime is 6120559. The reversal of 6120557 is 7550216.

It can be written as a sum of positive squares in 4 ways, for example, as 137641 + 5982916 = 371^2 + 2446^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6120557 is a prime.

It is a super-3 number, since 3×61205573 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6120559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16223 + ... + 16595.

It is an arithmetic number, because the mean of its divisors is an integer number (782595).

Almost surely, 26120557 is an apocalyptic number.

It is an amenable number.

6120557 is a deficient number, since it is larger than the sum of its proper divisors (140203).

6120557 is a wasteful number, since it uses less digits than its factorization.

6120557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 6120557 is about 2473.9759497618. The cubic root of 6120557 is about 182.9210345405.

The spelling of 6120557 in words is "six million, one hundred twenty thousand, five hundred fifty-seven".

Divisors: 1 61 269 373 16409 22753 100337 6120557