Search a number
-
+
4808705140 = 2251271893191
BaseRepresentation
bin1000111101001111…
…10000010001110100
3110102010102112100101
410132213300101310
534322012031030
62113055123444
7230110214341
oct43647602164
913363375311
104808705140
112048430388
12b22513584
135b8331975
143389077c8
151d226b7ca
hex11e9f0474

4808705140 has 24 divisors (see below), whose sum is σ = 10177800192. Its totient is φ = 1908335520.

The previous prime is 4808705123. The next prime is 4808705147. The reversal of 4808705140 is 415078084.

It is a super-3 number, since 3×48087051403 (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4808705140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4808705147) 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, 944056 + ... + 949135.

It is an arithmetic number, because the mean of its divisors is an integer number (424075008).

Almost surely, 24808705140 is an apocalyptic number.

It is an amenable number.

4808705140 is an abundant number, since it is smaller than the sum of its proper divisors (5369095052).

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

4808705140 is a wasteful number, since it uses less digits than its factorization.

4808705140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893327 (or 1893325 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 4808705140 is about 69344.8277811691. The cubic root of 4808705140 is about 1687.8844646821.

The spelling of 4808705140 in words is "four billion, eight hundred eight million, seven hundred five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 1893191 3786382 7572764 9465955 18931910 37863820 240435257 480870514 961741028 1202176285 2404352570 4808705140