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48821863 = 109447907
BaseRepresentation
bin1011101000111…
…1011001100111
310101212102000011
42322033121213
544444244423
64502231051
71131656536
oct272173147
9111772004
1048821863
1125616652
1214425487
13a16509c
1466ac31d
154445b0d
hex2e8f667

48821863 has 4 divisors (see below), whose sum is σ = 49269880. Its totient is φ = 48373848.

The previous prime is 48821837. The next prime is 48821867. The reversal of 48821863 is 36812884.

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 48821863 - 213 = 48813671 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 (48821867) 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, 223845 + ... + 224062.

It is an arithmetic number, because the mean of its divisors is an integer number (12317470).

Almost surely, 248821863 is an apocalyptic number.

48821863 is a deficient number, since it is larger than the sum of its proper divisors (448017).

48821863 is a wasteful number, since it uses less digits than its factorization.

48821863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448016.

The product of its digits is 73728, while the sum is 40.

The square root of 48821863 is about 6987.2643430745. The cubic root of 48821863 is about 365.4865919054.

The spelling of 48821863 in words is "forty-eight million, eight hundred twenty-one thousand, eight hundred sixty-three".

Divisors: 1 109 447907 48821863