Search a number
-
+
2968731 = 3519643
BaseRepresentation
bin1011010100110010011011
312120211100000
423110302123
51224444411
6143344043
734143123
oct13246233
95524300
102968731
1117484a7
12bb2023
137cc35c
14573c83
153d9956
hex2d4c9b

2968731 has 24 divisors (see below), whose sum is σ = 4688320. Its totient is φ = 1872072.

The previous prime is 2968717. The next prime is 2968733. The reversal of 2968731 is 1378692.

It is a de Polignac number, because none of the positive numbers 2k-2968731 is a prime.

It is a super-2 number, since 2×29687312 = 17626727500722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2968733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4296 + ... + 4938.

22968731 is an apocalyptic number.

2968731 is a deficient number, since it is larger than the sum of its proper divisors (1719589).

2968731 is an equidigital number, since it uses as much as digits as its factorization.

2968731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 665 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2968731 is about 1723.0005803830. Note that the first 3 decimals coincide. The cubic root of 2968731 is about 143.7221203651.

The spelling of 2968731 in words is "two million, nine hundred sixty-eight thousand, seven hundred thirty-one".

Divisors: 1 3 9 19 27 57 81 171 243 513 643 1539 1929 4617 5787 12217 17361 36651 52083 109953 156249 329859 989577 2968731