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5475920987 = 5779490331
BaseRepresentation
bin1010001100110001…
…11110110001011011
3112010121220121102102
411012120332301123
542203313432422
62303211554015
7252461363135
oct50630766133
915117817372
105475920987
112360018539
121089a5b90b
13693632a44
1439d38a055
15220b15192
hex14663ec5b

5475920987 has 4 divisors (see below), whose sum is σ = 5485411896. Its totient is φ = 5466430080.

The previous prime is 5475920977. The next prime is 5475921001. The reversal of 5475920987 is 7890295745.

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 5475920987 - 24 = 5475920971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5475920977) 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, 4744589 + ... + 4745742.

It is an arithmetic number, because the mean of its divisors is an integer number (1371352974).

Almost surely, 25475920987 is an apocalyptic number.

5475920987 is a deficient number, since it is larger than the sum of its proper divisors (9490909).

5475920987 is an equidigital number, since it uses as much as digits as its factorization.

5475920987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9490908.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The square root of 5475920987 is about 73999.4661264526. The cubic root of 5475920987 is about 1762.5944203864.

The spelling of 5475920987 in words is "five billion, four hundred seventy-five million, nine hundred twenty thousand, nine hundred eighty-seven".

Divisors: 1 577 9490331 5475920987