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49940871 = 329574033
BaseRepresentation
bin1011111010000…
…0100110000111
310110222020222220
42332200212013
5100241101441
64542223423
71144330131
oct276404607
9113866886
1049940871
1126210352
1214884b73
13a467516
1468c0051
1545b7466
hex2fa0987

49940871 has 8 divisors (see below), whose sum is σ = 68884080. Its totient is φ = 32145792.

The previous prime is 49940867. The next prime is 49940887. The reversal of 49940871 is 17804994.

49940871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49940871 - 22 = 49940867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49940831) 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, 286930 + ... + 287103.

It is an arithmetic number, because the mean of its divisors is an integer number (8610510).

Almost surely, 249940871 is an apocalyptic number.

49940871 is a deficient number, since it is larger than the sum of its proper divisors (18943209).

49940871 is a wasteful number, since it uses less digits than its factorization.

49940871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574065.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 49940871 is about 7066.8855233405. The cubic root of 49940871 is about 368.2578705152.

The spelling of 49940871 in words is "forty-nine million, nine hundred forty thousand, eight hundred seventy-one".

Divisors: 1 3 29 87 574033 1722099 16646957 49940871