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49271040 = 2832571347
BaseRepresentation
bin1011101111110…
…1000100000000
310102201020011100
42323331010000
5100103133130
64520014400
71135540230
oct273750400
9112636140
1049271040
11258a3075
1214601400
13a291680
146787cc0
1544d3c60
hex2efd100

49271040 has 432 divisors, whose sum is σ = 214276608. Its totient is φ = 10174464.

The previous prime is 49271017. The next prime is 49271093. The reversal of 49271040 is 4017294.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49270995 and 49271013.

It is a congruent number.

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, 1048297 + ... + 1048343.

Almost surely, 249271040 is an apocalyptic number.

49271040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49271040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107138304).

49271040 is an abundant number, since it is smaller than the sum of its proper divisors (165005568).

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

49271040 is a wasteful number, since it uses less digits than its factorization.

49271040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 49271040 is about 7019.3333016747. Note that the first 4 decimals coincide. The cubic root of 49271040 is about 366.6040370532.

The spelling of 49271040 in words is "forty-nine million, two hundred seventy-one thousand, forty".