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48732020 = 2252436601
BaseRepresentation
bin1011100111100…
…1011101110100
310101200211202122
42321321131310
544433411040
64500255112
71131133601
oct271713564
9111624678
1048732020
11255650a7
12143a1498
13a13321c
1466876a8
1544291b5
hex2e79774

48732020 has 12 divisors (see below), whose sum is σ = 102337284. Its totient is φ = 19492800.

The previous prime is 48732007. The next prime is 48732043. The reversal of 48732020 is 2023784.

It can be written as a sum of positive squares in 2 ways, for example, as 28174864 + 20557156 = 5308^2 + 4534^2 .

It is a congruent number.

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, 1218281 + ... + 1218320.

It is an arithmetic number, because the mean of its divisors is an integer number (8528107).

Almost surely, 248732020 is an apocalyptic number.

It is an amenable number.

48732020 is an abundant number, since it is smaller than the sum of its proper divisors (53605264).

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

48732020 is a wasteful number, since it uses less digits than its factorization.

48732020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436610 (or 2436608 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 48732020 is about 6980.8323285981. The cubic root of 48732020 is about 365.2622622537.

The spelling of 48732020 in words is "forty-eight million, seven hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 2436601 4873202 9746404 12183005 24366010 48732020