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48451905 = 335358903
BaseRepresentation
bin1011100011010…
…1000101000001
310101011121112000
42320311011001
544400430110
64450254213
71125556125
oct270650501
9111147460
1048451905
11253936a7
1214287369
13a065888
146613585
1543c11c0
hex2e35141

48451905 has 16 divisors (see below), whose sum is σ = 86136960. Its totient is φ = 25840944.

The previous prime is 48451901. The next prime is 48451951. The reversal of 48451905 is 50915484.

It is not a de Polignac number, because 48451905 - 22 = 48451901 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 48451905.

It is not an unprimeable number, because it can be changed into a prime (48451901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179317 + ... + 179586.

It is an arithmetic number, because the mean of its divisors is an integer number (5383560).

Almost surely, 248451905 is an apocalyptic number.

48451905 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48451905 is a deficient number, since it is larger than the sum of its proper divisors (37685055).

48451905 is a wasteful number, since it uses less digits than its factorization.

48451905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358917 (or 358911 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 48451905 is about 6960.7402623572. The cubic root of 48451905 is about 364.5610661629.

The spelling of 48451905 in words is "forty-eight million, four hundred fifty-one thousand, nine hundred five".

Divisors: 1 3 5 9 15 27 45 135 358903 1076709 1794515 3230127 5383545 9690381 16150635 48451905