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48288980 = 2254158889
BaseRepresentation
bin1011100000110…
…1010011010100
310100212100000202
42320031103110
544330221410
64443000032
71124310125
oct270152324
9110770022
1048288980
1125292253
1214209018
13a00967c
1465b004c
15438cca5
hex2e0d4d4

48288980 has 24 divisors (see below), whose sum is σ = 103881960. Its totient is φ = 18844160.

The previous prime is 48288967. The next prime is 48288991. The reversal of 48288980 is 8988284.

It can be written as a sum of positive squares in 4 ways, for example, as 568516 + 47720464 = 754^2 + 6908^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28625 + ... + 30264.

It is an arithmetic number, because the mean of its divisors is an integer number (4328415).

Almost surely, 248288980 is an apocalyptic number.

It is an amenable number.

48288980 is an abundant number, since it is smaller than the sum of its proper divisors (55592980).

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

48288980 is a wasteful number, since it uses less digits than its factorization.

48288980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58939 (or 58937 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 48288980 is about 6949.0272700573. The cubic root of 48288980 is about 364.1519813758.

The spelling of 48288980 in words is "forty-eight million, two hundred eighty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 58889 117778 235556 294445 588890 1177780 2414449 4828898 9657796 12072245 24144490 48288980