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48830120 = 2351771809
BaseRepresentation
bin1011101001000…
…1011010101000
310101212211022222
42322101122220
5100000030440
64502333212
71132022603
oct272213250
9111784288
1048830120
1125621879
121442a208
13a168a81
1466b133a
1544482b5
hex2e916a8

48830120 has 32 divisors (see below), whose sum is σ = 116332200. Its totient is φ = 18382848.

The previous prime is 48830099. The next prime is 48830123. The reversal of 48830120 is 2103884.

It can be written as a sum of positive squares in 4 ways, for example, as 36312676 + 12517444 = 6026^2 + 3538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 48830120.

It is not an unprimeable number, because it can be changed into a prime (48830123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35225 + ... + 36584.

Almost surely, 248830120 is an apocalyptic number.

48830120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48830120 is an abundant number, since it is smaller than the sum of its proper divisors (67502080).

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

48830120 is a wasteful number, since it uses less digits than its factorization.

48830120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71837 (or 71833 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 48830120 is about 6987.8551788084. The cubic root of 48830120 is about 365.5071950566.

The spelling of 48830120 in words is "forty-eight million, eight hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 71809 143618 287236 359045 574472 718090 1220753 1436180 2441506 2872360 4883012 6103765 9766024 12207530 24415060 48830120