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49719892 = 2212429973
BaseRepresentation
bin1011110110101…
…0101001010100
310110120000212111
42331222221110
5100212014032
64533400404
71142416645
oct275525124
9113500774
1049719892
112607a322
1214799104
13a3baa71
1468636cc
154571c47
hex2f6aa54

49719892 has 6 divisors (see below), whose sum is σ = 87009818. Its totient is φ = 24859944.

The previous prime is 49719889. The next prime is 49719893. The reversal of 49719892 is 29891794.

It can be written as a sum of positive squares in only one way, i.e., 49364676 + 355216 = 7026^2 + 596^2 .

It is a super-4 number, since 4×497198924 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49719893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214983 + ... + 6214990.

Almost surely, 249719892 is an apocalyptic number.

It is an amenable number.

49719892 is a deficient number, since it is larger than the sum of its proper divisors (37289926).

49719892 is a wasteful number, since it uses less digits than its factorization.

49719892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429977 (or 12429975 counting only the distinct ones).

The product of its digits is 326592, while the sum is 49.

The square root of 49719892 is about 7051.2333672911. The cubic root of 49719892 is about 367.7139100500.

The spelling of 49719892 in words is "forty-nine million, seven hundred nineteen thousand, eight hundred ninety-two".

Divisors: 1 2 4 12429973 24859946 49719892