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6149897 = 13974877
BaseRepresentation
bin10111011101011100001001
3102120110001222
4113131130021
53033244042
6335451425
7103162505
oct27353411
912513058
106149897
113520566
122086b75
1313742c0
14b61305
158172d2
hex5dd709

6149897 has 8 divisors (see below), whose sum is σ = 6692616. Its totient is φ = 5617152.

The previous prime is 6149893. The next prime is 6149909. The reversal of 6149897 is 7989416.

6149897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 6130576 = 139^2 + 2476^2 .

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 6149897 - 22 = 6149893 is a prime.

It is a super-2 number, since 2×61498972 = 75642466221218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6149893) 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, 1178 + ... + 3699.

It is an arithmetic number, because the mean of its divisors is an integer number (836577).

Almost surely, 26149897 is an apocalyptic number.

It is an amenable number.

6149897 is a deficient number, since it is larger than the sum of its proper divisors (542719).

6149897 is a wasteful number, since it uses less digits than its factorization.

6149897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987.

The product of its digits is 108864, while the sum is 44.

The square root of 6149897 is about 2479.8985866362. The cubic root of 6149897 is about 183.2128571191.

The spelling of 6149897 in words is "six million, one hundred forty-nine thousand, eight hundred ninety-seven".

Divisors: 1 13 97 1261 4877 63401 473069 6149897