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48664689 = 316221563
BaseRepresentation
bin1011100110100…
…1000001110001
310101120102101220
42321221001301
544424232224
64455015253
71130433363
oct271510161
9111512356
1048664689
1125519557
121436a529
13a10b698
14666ad33
154414279
hex2e69071

48664689 has 4 divisors (see below), whose sum is σ = 64886256. Its totient is φ = 32443124.

The previous prime is 48664687. The next prime is 48664703. The reversal of 48664689 is 98646684.

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 not a de Polignac number, because 48664689 - 21 = 48664687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48664687) 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, 8110779 + ... + 8110784.

It is an arithmetic number, because the mean of its divisors is an integer number (16221564).

Almost surely, 248664689 is an apocalyptic number.

It is an amenable number.

48664689 is a deficient number, since it is larger than the sum of its proper divisors (16221567).

48664689 is a wasteful number, since it uses less digits than its factorization.

48664689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16221566.

The product of its digits is 1990656, while the sum is 51.

The square root of 48664689 is about 6976.0080991925. The cubic root of 48664689 is about 365.0939621731.

The spelling of 48664689 in words is "forty-eight million, six hundred sixty-four thousand, six hundred eighty-nine".

Divisors: 1 3 16221563 48664689