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49040448 = 263255419
BaseRepresentation
bin1011101100010…
…0110001000000
310102021111211220
42323010301000
5100023243243
64511035040
71133560032
oct273046100
9112244756
1049040448
11257558a6
121450ba80
13a210722
146727c52
15448a783
hex2ec4c40

49040448 has 28 divisors (see below), whose sum is σ = 129753360. Its totient is φ = 16346752.

The previous prime is 49040447. The next prime is 49040491. The reversal of 49040448 is 84404094.

It is not an unprimeable number, because it can be changed into a prime (49040443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127518 + ... + 127901.

Almost surely, 249040448 is an apocalyptic number.

49040448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49040448 is an abundant number, since it is smaller than the sum of its proper divisors (80712912).

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

49040448 is a wasteful number, since it uses less digits than its factorization.

49040448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255434 (or 255424 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 49040448 is about 7002.8885468784. Note that the first 3 decimals coincide. The cubic root of 49040448 is about 366.0312314715.

The spelling of 49040448 in words is "forty-nine million, forty thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 255419 510838 766257 1021676 1532514 2043352 3065028 4086704 6130056 8173408 12260112 16346816 24520224 49040448