Search a number
-
+
3750705049 = 721326732
BaseRepresentation
bin1101111110001111…
…0011011110011001
3100200101121120001211
43133203303132121
530140140030144
61420102343121
7161642316100
oct33743633631
910611546054
103750705049
1116551a2243
1288812aaa1
1347a097c00
142781bd037
1516e430034
hexdf8f3799

3750705049 has 27 divisors (see below), whose sum is σ = 4731532893. Its totient is φ = 2963181312.

The previous prime is 3750705043. The next prime is 3750705067. The reversal of 3750705049 is 9405070573.

The square root of 3750705049 is 61243.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1081949449 + 2668755600 = 32893^2 + 51660^2 .

It is not a de Polignac number, because 3750705049 - 29 = 3750704537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3750705043) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5572777 + ... + 5573449.

It is an arithmetic number, because the mean of its divisors is an integer number (175241959).

Almost surely, 23750705049 is an apocalyptic number.

3750705049 is the 61243-rd square number.

3750705049 is the 30622-nd centered octagonal number.

It is an amenable number.

3750705049 is a deficient number, since it is larger than the sum of its proper divisors (980827844).

3750705049 is an frugal number, since it uses more digits than its factorization.

3750705049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 40.

The cubic root of 3750705049 is about 1553.7136135942.

The spelling of 3750705049 in words is "three billion, seven hundred fifty million, seven hundred five thousand, forty-nine".

Divisors: 1 7 13 49 91 169 637 673 1183 4711 8281 8749 32977 61243 113737 428701 452929 796159 3170503 5573113 5888077 22193521 41216539 76545001 288515773 535815007 3750705049