Search a number
-
+
3065947641 = 32184572
BaseRepresentation
bin1011011010111110…
…1010010111111001
321220200010021111100
42312233222113321
522234340311031
61224121522013
7135656060601
oct26657522771
97820107440
103065947641
111333713929
12716943309
1339b264703
14211291c01
1512e26dde6
hexb6bea5f9

3065947641 has 9 divisors (see below), whose sum is σ = 4428830991. Its totient is φ = 2043854352.

The previous prime is 3065947607. The next prime is 3065947667. The reversal of 3065947641 is 1467495603.

The square root of 3065947641 is 55371.

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

It can be written as a sum of positive squares in only one way, i.e., 2265284025 + 800663616 = 47595^2 + 28296^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3065947641 - 219 = 3065423353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3065947691) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 156885 + ... + 175341.

Almost surely, 23065947641 is an apocalyptic number.

3065947641 is the 55371-st square number.

3065947641 is the 27686-th centered octagonal number.

It is an amenable number.

3065947641 is a deficient number, since it is larger than the sum of its proper divisors (1362883350).

3065947641 is an frugal number, since it uses more digits than its factorization.

3065947641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36920 (or 18460 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The cubic root of 3065947641 is about 1452.7411707378.

The spelling of 3065947641 in words is "three billion, sixty-five million, nine hundred forty-seven thousand, six hundred forty-one".

Divisors: 1 3 9 18457 55371 166113 340660849 1021982547 3065947641