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48703309 = 58078387
BaseRepresentation
bin1011100111001…
…0011101001101
310101122101101021
42321302131031
544432001214
64455514141
71130654104
oct271623515
9111571337
1048703309
1125545576
1214388951
13a123135
14667b03b
154420924
hex2e7274d

48703309 has 4 divisors (see below), whose sum is σ = 48717504. Its totient is φ = 48689116.

The previous prime is 48703301. The next prime is 48703313. The reversal of 48703309 is 90330784.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 48703309 - 23 = 48703301 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 (48703301) 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, 1614 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (12179376).

Almost surely, 248703309 is an apocalyptic number.

It is an amenable number.

48703309 is a deficient number, since it is larger than the sum of its proper divisors (14195).

48703309 is an equidigital number, since it uses as much as digits as its factorization.

48703309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14194.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 48703309 is about 6978.7756089446. The cubic root of 48703309 is about 365.1905154158.

The spelling of 48703309 in words is "forty-eight million, seven hundred three thousand, three hundred nine".

Divisors: 1 5807 8387 48703309