Search a number
-
+
48814391 = 67728573
BaseRepresentation
bin1011101000110…
…1100100110111
310101212000202102
42322031210313
544444030031
64502132315
71131626003
oct272154467
9111760672
1048814391
1125610a7a
121442109b
13a161872
1466a9703
1544437cb
hex2e8d937

48814391 has 4 divisors (see below), whose sum is σ = 49543032. Its totient is φ = 48085752.

The previous prime is 48814379. The next prime is 48814397. The reversal of 48814391 is 19341884.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48814391 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 (48814397) 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, 364220 + ... + 364353.

It is an arithmetic number, because the mean of its divisors is an integer number (12385758).

Almost surely, 248814391 is an apocalyptic number.

48814391 is a deficient number, since it is larger than the sum of its proper divisors (728641).

48814391 is an equidigital number, since it uses as much as digits as its factorization.

48814391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728640.

The product of its digits is 27648, while the sum is 38.

The square root of 48814391 is about 6986.7296355305. The cubic root of 48814391 is about 365.4679455110.

The spelling of 48814391 in words is "forty-eight million, eight hundred fourteen thousand, three hundred ninety-one".

Divisors: 1 67 728573 48814391