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48663805 = 553183637
BaseRepresentation
bin1011100110100…
…0110011111101
310101120101012011
42321220303331
544424220210
64455011221
71130430661
oct271506375
9111511164
1048663805
1125518923
1214369b11
13a10b168
14666a8a1
154413d8a
hex2e68cfd

48663805 has 8 divisors (see below), whose sum is σ = 59498712. Its totient is φ = 38196288.

The previous prime is 48663803. The next prime is 48663817. The reversal of 48663805 is 50836684.

It can be written as a sum of positive squares in 4 ways, for example, as 3006756 + 45657049 = 1734^2 + 6757^2 .

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 48663805 - 21 = 48663803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48663803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91554 + ... + 92083.

It is an arithmetic number, because the mean of its divisors is an integer number (7437339).

Almost surely, 248663805 is an apocalyptic number.

It is an amenable number.

48663805 is a deficient number, since it is larger than the sum of its proper divisors (10834907).

48663805 is a wasteful number, since it uses less digits than its factorization.

48663805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183695.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 48663805 is about 6975.9447388866. The cubic root of 48663805 is about 365.0917515010.

The spelling of 48663805 in words is "forty-eight million, six hundred sixty-three thousand, eight hundred five".

Divisors: 1 5 53 265 183637 918185 9732761 48663805