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49216871 = 1123113121
BaseRepresentation
bin1011101110111…
…1110101100111
310102121110212002
42323233311213
5100044414441
64514515515
71135223264
oct273576547
9112543762
1049216871
1125866400
1214595b9b
13a272b12
14677226b
1544c2b9b
hex2eefd67

49216871 has 12 divisors (see below), whose sum is σ = 55847232. Its totient is φ = 43296000.

The previous prime is 49216861. The next prime is 49216877. The reversal of 49216871 is 17861294.

It is not a de Polignac number, because 49216871 - 222 = 45022567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49216877) 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 11 ways as a sum of consecutive naturals, for example, 2810 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (4653936).

Almost surely, 249216871 is an apocalyptic number.

49216871 is a deficient number, since it is larger than the sum of its proper divisors (6630361).

49216871 is a wasteful number, since it uses less digits than its factorization.

49216871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174 (or 13163 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 49216871 is about 7015.4736832234. The cubic root of 49216871 is about 366.4696385905.

The spelling of 49216871 in words is "forty-nine million, two hundred sixteen thousand, eight hundred seventy-one".

Divisors: 1 11 31 121 341 3751 13121 144331 406751 1587641 4474261 49216871