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48217638 = 2371148039
BaseRepresentation
bin1011011111101…
…1111000100110
310100201201011110
42313323320212
544320431023
64441245450
71123562130
oct267737046
9110651143
1048217638
1125243697
1214193886
139cb3061
146592050
154376a93
hex2dfbe26

48217638 has 16 divisors (see below), whose sum is σ = 110211840. Its totient is φ = 13776456.

The previous prime is 48217621. The next prime is 48217639. The reversal of 48217638 is 83671284.

It is a super-2 number, since 2×482176382 = 4649881228598088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48217596 and 48217605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48217639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573978 + ... + 574061.

It is an arithmetic number, because the mean of its divisors is an integer number (6888240).

Almost surely, 248217638 is an apocalyptic number.

48217638 is an abundant number, since it is smaller than the sum of its proper divisors (61994202).

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

48217638 is a wasteful number, since it uses less digits than its factorization.

48217638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148051.

The product of its digits is 64512, while the sum is 39.

The square root of 48217638 is about 6943.8921362590. The cubic root of 48217638 is about 363.9725606253.

The spelling of 48217638 in words is "forty-eight million, two hundred seventeen thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 1148039 2296078 3444117 6888234 8036273 16072546 24108819 48217638