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49551983 = 132293207
BaseRepresentation
bin1011110100000…
…1101001101111
310110020111112122
42331001221233
5100141130413
64530023155
71141120265
oct275015157
9113214478
1049551983
1125a75158
1214717abb
13a35c500
14681c435
15453c108
hex2f41a6f

49551983 has 6 divisors (see below), whose sum is σ = 53657064. Its totient is φ = 45740136.

The previous prime is 49551899. The next prime is 49551989. The reversal of 49551983 is 38915594.

It is a happy number.

It is not a de Polignac number, because 49551983 - 220 = 48503407 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 (49551989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146435 + ... + 146772.

It is an arithmetic number, because the mean of its divisors is an integer number (8942844).

Almost surely, 249551983 is an apocalyptic number.

49551983 is a deficient number, since it is larger than the sum of its proper divisors (4105081).

49551983 is a wasteful number, since it uses less digits than its factorization.

49551983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293233 (or 293220 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The square root of 49551983 is about 7039.3169412948. The cubic root of 49551983 is about 367.2995077748.

The spelling of 49551983 in words is "forty-nine million, five hundred fifty-one thousand, nine hundred eighty-three".

Divisors: 1 13 169 293207 3811691 49551983