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49449928 = 2311561931
BaseRepresentation
bin1011110010100…
…0101111001000
310110001022112211
42330220233020
5100124344203
64523514504
71140213613
oct274505710
9113038484
1049449928
1125a05510
1214688a34
13a324c18
1467d317a
15451bc6d
hex2f28bc8

49449928 has 16 divisors (see below), whose sum is σ = 101147760. Its totient is φ = 22477200.

The previous prime is 49449919. The next prime is 49449937. The reversal of 49449928 is 82994494.

49449928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49449919) and next prime (49449937).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 280878 + ... + 281053.

It is an arithmetic number, because the mean of its divisors is an integer number (6321735).

Almost surely, 249449928 is an apocalyptic number.

It is an amenable number.

49449928 is an abundant number, since it is smaller than the sum of its proper divisors (51697832).

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

49449928 is a wasteful number, since it uses less digits than its factorization.

49449928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561948 (or 561944 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 49449928 is about 7032.0642772944. The cubic root of 49449928 is about 367.0471767045.

The spelling of 49449928 in words is "forty-nine million, four hundred forty-nine thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 11 22 44 88 561931 1123862 2247724 4495448 6181241 12362482 24724964 49449928