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49949928 = 233272331139
BaseRepresentation
bin1011111010001…
…0110011101000
310110222201102100
42332202303220
5100241344203
64542333400
71144365420
oct276426350
9113881370
1049949928
1126217136
121488a260
13a46b692
1468c3480
1545b9ea3
hex2fa2ce8

49949928 has 192 divisors, whose sum is σ = 167731200. Its totient is φ = 13115520.

The previous prime is 49949909. The next prime is 49949957. The reversal of 49949928 is 82994994.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359283 + ... + 359421.

It is an arithmetic number, because the mean of its divisors is an integer number (873600).

Almost surely, 249949928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49949928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83865600).

49949928 is an abundant number, since it is smaller than the sum of its proper divisors (117781272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49949928 is a wasteful number, since it uses less digits than its factorization.

49949928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 205 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 49949928 is about 7067.5262999157. The cubic root of 49949928 is about 368.2801309061.

The spelling of 49949928 in words is "forty-nine million, nine hundred forty-nine thousand, nine hundred twenty-eight".