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49989703 = 192631037
BaseRepresentation
bin1011111010110…
…0100001000111
310111001201222111
42332230201013
5100244132303
64543241451
71144622401
oct276544107
9114051874
1049989703
1126244005
12148a9287
13a48380a
1468d3b71
1545c6b6d
hex2fac847

49989703 has 4 divisors (see below), whose sum is σ = 52620760. Its totient is φ = 47358648.

The previous prime is 49989691. The next prime is 49989727. The reversal of 49989703 is 30798994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49989703 - 25 = 49989671 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 (49989733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315500 + ... + 1315537.

It is an arithmetic number, because the mean of its divisors is an integer number (13155190).

Almost surely, 249989703 is an apocalyptic number.

49989703 is a deficient number, since it is larger than the sum of its proper divisors (2631057).

49989703 is a wasteful number, since it uses less digits than its factorization.

49989703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631056.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 49989703 is about 7070.3396665224. The cubic root of 49989703 is about 368.3778584796.

The spelling of 49989703 in words is "forty-nine million, nine hundred eighty-nine thousand, seven hundred three".

Divisors: 1 19 2631037 49989703