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6142457 = 17361321
BaseRepresentation
bin10111011011100111111001
3102120001212102
4113123213321
53033024312
6335353145
7103132016
oct27334771
912501772
106142457
113515a12
1220827b5
131370ab9
14b5c70d
15814ec2
hex5db9f9

6142457 has 4 divisors (see below), whose sum is σ = 6503796. Its totient is φ = 5781120.

The previous prime is 6142441. The next prime is 6142463. The reversal of 6142457 is 7542416.

6142457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4999696 + 1142761 = 2236^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 6142457 - 24 = 6142441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6142057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180644 + ... + 180677.

It is an arithmetic number, because the mean of its divisors is an integer number (1625949).

Almost surely, 26142457 is an apocalyptic number.

It is an amenable number.

6142457 is a deficient number, since it is larger than the sum of its proper divisors (361339).

6142457 is a wasteful number, since it uses less digits than its factorization.

6142457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361338.

The product of its digits is 6720, while the sum is 29.

The square root of 6142457 is about 2478.3980713356. The cubic root of 6142457 is about 183.1389451110.

The spelling of 6142457 in words is "six million, one hundred forty-two thousand, four hundred fifty-seven".

Divisors: 1 17 361321 6142457