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49480128 = 263285903
BaseRepresentation
bin1011110011000…
…0000111000000
310110002211222100
42330300013000
5100131331003
64524310400
71140400635
oct274600700
9113084870
1049480128
1125a26175
12146a2400
13a3358a9
14680018c
154525ba3
hex2f301c0

49480128 has 42 divisors (see below), whose sum is σ = 141827504. Its totient is φ = 16493184.

The previous prime is 49480127. The next prime is 49480139. The reversal of 49480128 is 82108494.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49480092 and 49480101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49480127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42376 + ... + 43527.

Almost surely, 249480128 is an apocalyptic number.

49480128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49480128 is an abundant number, since it is smaller than the sum of its proper divisors (92347376).

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

49480128 is a wasteful number, since it uses less digits than its factorization.

49480128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85921 (or 85908 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 49480128 is about 7034.2112564239. The cubic root of 49480128 is about 367.1218823673.

The spelling of 49480128 in words is "forty-nine million, four hundred eighty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 85903 171806 257709 343612 515418 687224 773127 1030836 1374448 1546254 2061672 2748896 3092508 4123344 5497792 6185016 8246688 12370032 16493376 24740064 49480128