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48191530 = 254819153
BaseRepresentation
bin1011011111010…
…1100000101010
310100200101100111
42313311200222
544314112110
64440524534
71123423042
oct267654052
9110611314
1048191530
1125226012
121418074a
139ca41ca
146586722
15436de8a
hex2df582a

48191530 has 8 divisors (see below), whose sum is σ = 86744772. Its totient is φ = 19276608.

The previous prime is 48191513. The next prime is 48191569. The reversal of 48191530 is 3519184.

It can be written as a sum of positive squares in 2 ways, for example, as 44983849 + 3207681 = 6707^2 + 1791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 48191492 and 48191501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409567 + ... + 2409586.

Almost surely, 248191530 is an apocalyptic number.

48191530 is a deficient number, since it is larger than the sum of its proper divisors (38553242).

48191530 is a wasteful number, since it uses less digits than its factorization.

48191530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819160.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 48191530 is about 6942.0119561983. The cubic root of 48191530 is about 363.9068563753.

The spelling of 48191530 in words is "forty-eight million, one hundred ninety-one thousand, five hundred thirty".

Divisors: 1 2 5 10 4819153 9638306 24095765 48191530