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48120255 = 32519232447
BaseRepresentation
bin1011011110010…
…0000110111111
310100112202120200
42313210012333
544304322010
64435214543
71123005201
oct267440677
9110482520
1048120255
1125187507
1214147453
139c7a931
146568771
154357cc0
hex2de41bf

48120255 has 48 divisors (see below), whose sum is σ = 91653120. Its totient is φ = 23246784.

The previous prime is 48120221. The next prime is 48120257. The reversal of 48120255 is 55202184.

It is a happy number.

It is not a de Polignac number, because 48120255 - 213 = 48112063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48120257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18442 + ... + 20888.

It is an arithmetic number, because the mean of its divisors is an integer number (1909440).

Almost surely, 248120255 is an apocalyptic number.

48120255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

48120255 is a deficient number, since it is larger than the sum of its proper divisors (43532865).

48120255 is a wasteful number, since it uses less digits than its factorization.

48120255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 48120255 is about 6936.8764584646. The cubic root of 48120255 is about 363.7273624627.

It can be divided in two parts, 481 and 20255, that added together give a 4-th power (20736 = 124).

The spelling of 48120255 in words is "forty-eight million, one hundred twenty thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 19 23 45 57 69 95 115 171 207 285 345 437 855 1035 1311 2185 2447 3933 6555 7341 12235 19665 22023 36705 46493 56281 110115 139479 168843 232465 281405 418437 506529 697395 844215 1069339 2092185 2532645 3208017 5346695 9624051 16040085 48120255