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48185390 = 2511438049
BaseRepresentation
bin1011011111010…
…0000000101110
310100200001221002
42313310000232
544313413030
64440440302
71123366121
oct267640056
9110601832
1048185390
1125221440
1214179092
139ca1486
1465843b8
15436c245
hex2df402e

48185390 has 16 divisors (see below), whose sum is σ = 94618800. Its totient is φ = 17521920.

The previous prime is 48185381. The next prime is 48185399. The reversal of 48185390 is 9358184.

48185390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (48185381) and next prime (48185399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48185399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218915 + ... + 219134.

It is an arithmetic number, because the mean of its divisors is an integer number (5913675).

Almost surely, 248185390 is an apocalyptic number.

48185390 is a deficient number, since it is larger than the sum of its proper divisors (46433410).

48185390 is a wasteful number, since it uses less digits than its factorization.

48185390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438067.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 48185390 is about 6941.5697072060. The cubic root of 48185390 is about 363.8914008032.

The spelling of 48185390 in words is "forty-eight million, one hundred eighty-five thousand, three hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 438049 876098 2190245 4380490 4818539 9637078 24092695 48185390