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48780680 = 2351393809
BaseRepresentation
bin1011101000010…
…1010110001000
310101210022111212
42322011112020
544441440210
64501312252
71131425504
oct272052610
9111708455
1048780680
1125598713
1214405688
13a14c410
14669b304
154438805
hex2e85588

48780680 has 32 divisors (see below), whose sum is σ = 118200600. Its totient is φ = 18011136.

The previous prime is 48780679. The next prime is 48780713. The reversal of 48780680 is 8608784.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42797764 + 5982916 = 6542^2 + 2446^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46385 + ... + 47424.

Almost surely, 248780680 is an apocalyptic number.

48780680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48780680 is an abundant number, since it is smaller than the sum of its proper divisors (69419920).

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

48780680 is a wasteful number, since it uses less digits than its factorization.

48780680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93833 (or 93829 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 48780680 is about 6984.3167167591. The cubic root of 48780680 is about 365.3837959609.

The spelling of 48780680 in words is "forty-eight million, seven hundred eighty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 93809 187618 375236 469045 750472 938090 1219517 1876180 2439034 3752360 4878068 6097585 9756136 12195170 24390340 48780680