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5457191 = 29188179
BaseRepresentation
bin10100110100010100100111
3101021020212012
4110310110213
52344112231
6312544435
764246115
oct24642447
911236765
105457191
113098083
1219b211b
131190c0c
14a20ab5
1572be2b
hex534527

5457191 has 4 divisors (see below), whose sum is σ = 5645400. Its totient is φ = 5268984.

The previous prime is 5457181. The next prime is 5457229. The reversal of 5457191 is 1917545.

5457191 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 is a cyclic number.

It is not a de Polignac number, because 5457191 - 222 = 1262887 is a prime.

It is a super-2 number, since 2×54571912 = 59561867220962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94061 + ... + 94118.

It is an arithmetic number, because the mean of its divisors is an integer number (1411350).

Almost surely, 25457191 is an apocalyptic number.

5457191 is a deficient number, since it is larger than the sum of its proper divisors (188209).

5457191 is a wasteful number, since it uses less digits than its factorization.

5457191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188208.

The product of its digits is 6300, while the sum is 32.

The square root of 5457191 is about 2336.0631412699. The cubic root of 5457191 is about 176.0582516374.

The spelling of 5457191 in words is "five million, four hundred fifty-seven thousand, one hundred ninety-one".

Divisors: 1 29 188179 5457191