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48390520 = 2351209763
BaseRepresentation
bin1011100010011…
…0000101111000
310101001111022111
42320212011320
544341444040
64445102104
71125212143
oct270460570
9111044274
1048390520
1125351572
1214257934
13a043959
1465d905a
1543acdea
hex2e26178

48390520 has 16 divisors (see below), whose sum is σ = 108878760. Its totient is φ = 19356192.

The previous prime is 48390509. The next prime is 48390521. The reversal of 48390520 is 2509384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48390521) 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, 604842 + ... + 604921.

Almost surely, 248390520 is an apocalyptic number.

48390520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48390520 is an abundant number, since it is smaller than the sum of its proper divisors (60488240).

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

48390520 is a wasteful number, since it uses less digits than its factorization.

48390520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209774 (or 1209770 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 48390520 is about 6956.3294919088. The cubic root of 48390520 is about 364.4070437471.

The spelling of 48390520 in words is "forty-eight million, three hundred ninety thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1209763 2419526 4839052 6048815 9678104 12097630 24195260 48390520