Search a number
-
+
240648560 = 2453008107
BaseRepresentation
bin11100101100000…
…00000101110000
3121202211012202122
432112000011300
5443101223220
635513533412
75651323205
oct1626000560
9552735678
10240648560
11113926909
1268714268
133ab1a0c9
1423d63cac
15161d8425
hexe580170

240648560 has 20 divisors (see below), whose sum is σ = 559508088. Its totient is φ = 96259392.

The previous prime is 240648539. The next prime is 240648631. The reversal of 240648560 is 65846042.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 240648560.

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, 1503974 + ... + 1504133.

Almost surely, 2240648560 is an apocalyptic number.

240648560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240648560 is an abundant number, since it is smaller than the sum of its proper divisors (318859528).

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

240648560 is a wasteful number, since it uses less digits than its factorization.

240648560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008120 (or 3008114 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 240648560 is about 15512.8514464621. The cubic root of 240648560 is about 622.0057829027.

The spelling of 240648560 in words is "two hundred forty million, six hundred forty-eight thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3008107 6016214 12032428 15040535 24064856 30081070 48129712 60162140 120324280 240648560