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48918749 = 1119297127
BaseRepresentation
bin1011101010011…
…1000011011101
310102001022220112
42322213003131
5100010344444
64504255405
71132542155
oct272470335
9112038815
1048918749
1125682420
1214471565
13a19a209
1466d5765
15446469e
hex2ea70dd

48918749 has 24 divisors (see below), whose sum is σ = 57351168. Its totient is φ = 41368320.

The previous prime is 48918743. The next prime is 48918791. The reversal of 48918749 is 94781984.

It is not a de Polignac number, because 48918749 - 216 = 48853213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48918697 and 48918706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48918743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385124 + ... + 385250.

It is an arithmetic number, because the mean of its divisors is an integer number (2389632).

Almost surely, 248918749 is an apocalyptic number.

It is an amenable number.

48918749 is a deficient number, since it is larger than the sum of its proper divisors (8432419).

48918749 is a wasteful number, since it uses less digits than its factorization.

48918749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 254 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 48918749 is about 6994.1939492696. The cubic root of 48918749 is about 365.7281990716.

The spelling of 48918749 in words is "forty-eight million, nine hundred eighteen thousand, seven hundred forty-nine".

Divisors: 1 11 19 97 127 209 361 1067 1397 1843 2413 3971 12319 20273 26543 35017 45847 135509 234061 385187 504317 2574671 4447159 48918749