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48881471 = 1941131479
BaseRepresentation
bin1011101001110…
…1111100111111
310101222102202212
42322131330333
5100003201341
64503411035
71132325402
oct272357477
9111872685
1048881471
1125657411
1214453a7b
13a186262
1466c5d39
1544585eb
hex2e9df3f

48881471 has 16 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 44740800.

The previous prime is 48881467. The next prime is 48881531. The reversal of 48881471 is 17418884.

It is a cyclic number.

It is not a de Polignac number, because 48881471 - 22 = 48881467 is a prime.

It is a super-3 number, since 3×488814713 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48881671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101810 + ... + 102288.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 248881471 is an apocalyptic number.

48881471 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

48881471 is a deficient number, since it is larger than the sum of its proper divisors (4340929).

48881471 is a wasteful number, since it uses less digits than its factorization.

48881471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its digits is 57344, while the sum is 41.

The square root of 48881471 is about 6991.5285167122. The cubic root of 48881471 is about 365.6352757333.

The spelling of 48881471 in words is "forty-eight million, eight hundred eighty-one thousand, four hundred seventy-one".

Divisors: 1 19 41 131 479 779 2489 5371 9101 19639 62749 102049 373141 1192231 2572709 48881471