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5146561 = 72712713
BaseRepresentation
bin10011101000011111000001
3100200110202101
4103220133001
52304142221
6302150401
761513360
oct23503701
910613671
105146561
1129a5762
121882401
1310b2704
1497d7d7
156b9d91
hex4e87c1

5146561 has 8 divisors (see below), whose sum is σ = 5905664. Its totient is φ = 4393440.

The previous prime is 5146523. The next prime is 5146567. The reversal of 5146561 is 1656415.

5146561 = T43 + T44 + ... + T313.

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 5146561 - 219 = 4622273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5146567) 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 7 ways as a sum of consecutive naturals, for example, 541 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (738208).

Almost surely, 25146561 is an apocalyptic number.

It is an amenable number.

5146561 is a deficient number, since it is larger than the sum of its proper divisors (759103).

5146561 is a wasteful number, since it uses less digits than its factorization.

5146561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its digits is 3600, while the sum is 28.

The square root of 5146561 is about 2268.6033148173. The cubic root of 5146561 is about 172.6523026534.

The spelling of 5146561 in words is "five million, one hundred forty-six thousand, five hundred sixty-one".

Divisors: 1 7 271 1897 2713 18991 735223 5146561