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48120055 = 5103223419
BaseRepresentation
bin1011011110010…
…0000011110111
310100112202022021
42313210003313
544304320210
64435214011
71123004464
oct267440367
9110482267
1048120055
1125187345
1214147307
139c7a809
14656866b
154357bda
hex2de40f7

48120055 has 16 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 37860768.

The previous prime is 48120049. The next prime is 48120073. The reversal of 48120055 is 55002184.

It is a cyclic number.

It is not a de Polignac number, because 48120055 - 225 = 14565623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114636 + ... + 115054.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 248120055 is an apocalyptic number.

48120055 is a deficient number, since it is larger than the sum of its proper divisors (10585865).

48120055 is a wasteful number, since it uses less digits than its factorization.

48120055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 48120055 is about 6936.8620427395. The cubic root of 48120055 is about 363.7268585476.

The spelling of 48120055 in words is "forty-eight million, one hundred twenty thousand, fifty-five".

Divisors: 1 5 103 223 419 515 1115 2095 22969 43157 93437 114845 215785 467185 9624011 48120055