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48421749 = 378720509
BaseRepresentation
bin1011100010110…
…1101101110101
310101010002011010
42320231231311
544343443444
64445502433
71125402165
oct270555565
9111102133
1048421749
1125372a82
1214271a19
13a054c2c
1466065a5
1543b72b9
hex2e2db75

48421749 has 8 divisors (see below), whose sum is σ = 64647520. Its totient is φ = 32238576.

The previous prime is 48421733. The next prime is 48421799. The reversal of 48421749 is 94712484.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48421749 - 24 = 48421733 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 (48421799) 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, 7894 + ... + 12615.

It is an arithmetic number, because the mean of its divisors is an integer number (8080940).

Almost surely, 248421749 is an apocalyptic number.

It is an amenable number.

48421749 is a deficient number, since it is larger than the sum of its proper divisors (16225771).

48421749 is a wasteful number, since it uses less digits than its factorization.

48421749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299.

The product of its digits is 64512, while the sum is 39.

The square root of 48421749 is about 6958.5737762849. The cubic root of 48421749 is about 364.4854173652.

The spelling of 48421749 in words is "forty-eight million, four hundred twenty-one thousand, seven hundred forty-nine".

Divisors: 1 3 787 2361 20509 61527 16140583 48421749