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49481000 = 235349481
BaseRepresentation
bin1011110011000…
…0010100101000
310110002220011122
42330300110220
5100131343000
64524314412
71140403322
oct274602450
9113086148
1049481000
1125a26898
12146a2a08
13a3360ca
146800612
154526085
hex2f30528

49481000 has 32 divisors (see below), whose sum is σ = 115787880. Its totient is φ = 19792000.

The previous prime is 49480993. The next prime is 49481017. The reversal of 49481000 is 18494.

It can be written as a sum of positive squares in 4 ways, for example, as 6421156 + 43059844 = 2534^2 + 6562^2 .

It is a super-2 number, since 2×494810002 = 4896738722000000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23741 + ... + 25740.

Almost surely, 249481000 is an apocalyptic number.

49481000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49481000 is an abundant number, since it is smaller than the sum of its proper divisors (66306880).

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

49481000 is a wasteful number, since it uses less digits than its factorization.

49481000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49502 (or 49488 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 49481000 is about 7034.2732389352. The cubic root of 49481000 is about 367.1240389798.

Adding to 49481000 its reverse (18494), we get a palindrome (49499494).

The spelling of 49481000 in words is "forty-nine million, four hundred eighty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 49481 98962 197924 247405 395848 494810 989620 1237025 1979240 2474050 4948100 6185125 9896200 12370250 24740500 49481000