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4897531 = 5983009
BaseRepresentation
bin10010101011101011111011
3100012211011001
4102223223323
52223210111
6252545431
756425342
oct22535373
910184131
104897531
112845651
121782277
131026262
14916b59
1566b1c1
hex4abafb

4897531 has 4 divisors (see below), whose sum is σ = 4980600. Its totient is φ = 4814464.

The previous prime is 4897523. The next prime is 4897553. The reversal of 4897531 is 1357984.

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 4897531 - 23 = 4897523 is a prime.

It is a super-2 number, since 2×48975312 = 47971619791922, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 45 + 85 + 97 + 74 + 57 + 35 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4897561) 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, 41446 + ... + 41563.

It is an arithmetic number, because the mean of its divisors is an integer number (1245150).

Almost surely, 24897531 is an apocalyptic number.

4897531 is a deficient number, since it is larger than the sum of its proper divisors (83069).

4897531 is an equidigital number, since it uses as much as digits as its factorization.

4897531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83068.

The product of its digits is 30240, while the sum is 37.

The square root of 4897531 is about 2213.0366015952. The cubic root of 4897531 is about 169.8213925765.

It can be divided in two parts, 48 and 97531, that added together give a palindrome (97579).

The spelling of 4897531 in words is "four million, eight hundred ninety-seven thousand, five hundred thirty-one".

Divisors: 1 59 83009 4897531