Search a number
-
+
3405555140 = 2251347278687
BaseRepresentation
bin1100101011111100…
…1010010111000100
322210100011010101212
43022333022113010
523433310231030
61321532510552
7150251512121
oct31277122704
98710133355
103405555140
11149838aa89
127b061b458
1342371c4b0
14244415748
1514dea3595
hexcafca5c4

3405555140 has 48 divisors (see below), whose sum is σ = 7865690112. Its totient is φ = 1230677376.

The previous prime is 3405555119. The next prime is 3405555143. The reversal of 3405555140 is 415555043.

It is a junction number, because it is equal to n+sod(n) for n = 3405555097 and 3405555106.

It is not an unprimeable number, because it can be changed into a prime (3405555143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127124 + ... + 151563.

It is an arithmetic number, because the mean of its divisors is an integer number (163868544).

Almost surely, 23405555140 is an apocalyptic number.

It is an amenable number.

3405555140 is an abundant number, since it is smaller than the sum of its proper divisors (4460134972).

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

3405555140 is a wasteful number, since it uses less digits than its factorization.

3405555140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278756 (or 278754 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 3405555140 is about 58357.1344395867. The cubic root of 3405555140 is about 1504.5130951043.

The spelling of 3405555140 in words is "three billion, four hundred five million, five hundred fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 47 52 65 94 130 188 235 260 470 611 940 1222 2444 3055 6110 12220 278687 557374 1114748 1393435 2786870 3622931 5573740 7245862 13098289 14491724 18114655 26196578 36229310 52393156 65491445 72458620 130982890 170277757 261965780 340555514 681111028 851388785 1702777570 3405555140