Search a number
-
+
48755440 = 245609443
BaseRepresentation
bin1011100111111…
…1001011110000
310101202000220001
42321333023300
544440133230
64500555344
71131262066
oct271771360
9111660801
1048755440
1125580758
12143b2b54
13a140a96
146692036
1544310ca
hex2e7f2f0

48755440 has 20 divisors (see below), whose sum is σ = 113356584. Its totient is φ = 19502144.

The previous prime is 48755411. The next prime is 48755471. The reversal of 48755440 is 4455784.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 48755440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304642 + ... + 304801.

Almost surely, 248755440 is an apocalyptic number.

48755440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48755440 is an abundant number, since it is smaller than the sum of its proper divisors (64601144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48755440 is a wasteful number, since it uses less digits than its factorization.

48755440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609456 (or 609450 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 48755440 is about 6982.5095775086. The cubic root of 48755440 is about 365.3207663759.

The spelling of 48755440 in words is "forty-eight million, seven hundred fifty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 609443 1218886 2437772 3047215 4875544 6094430 9751088 12188860 24377720 48755440