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5401457 = 19927143
BaseRepresentation
bin10100100110101101110001
3101011102101222
4110212231301
52340321312
6311434425
763624455
oct24465561
911142358
105401457
11305a216
121985a15
131171739
14a08665
1571a672
hex526b71

5401457 has 4 divisors (see below), whose sum is σ = 5428800. Its totient is φ = 5374116.

The previous prime is 5401447. The next prime is 5401469. The reversal of 5401457 is 7541045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5401457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401447) 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, 13373 + ... + 13770.

It is an arithmetic number, because the mean of its divisors is an integer number (1357200).

Almost surely, 25401457 is an apocalyptic number.

It is an amenable number.

5401457 is a deficient number, since it is larger than the sum of its proper divisors (27343).

5401457 is a wasteful number, since it uses less digits than its factorization.

5401457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27342.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 5401457 is about 2324.1034830661. The cubic root of 5401457 is about 175.4568417400.

The spelling of 5401457 in words is "five million, four hundred one thousand, four hundred fifty-seven".

Divisors: 1 199 27143 5401457