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3016969 = 13672207
BaseRepresentation
bin1011100000100100001001
312200021111121
423200210021
51233020334
6144355241
734433554
oct13404411
95607447
103016969
11178076a
121015b21
138182b7
1458769b
153e8db4
hex2e0909

3016969 has 4 divisors (see below), whose sum is σ = 3020544. Its totient is φ = 3013396.

The previous prime is 3016963. The next prime is 3016997. The reversal of 3016969 is 9696103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9696103 = 17570359.

It is a cyclic number.

It is not a de Polignac number, because 3016969 - 221 = 919817 is a prime.

It is a super-2 number, since 2×30169692 = 18204203893922, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3016963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (755136).

Almost surely, 23016969 is an apocalyptic number.

It is an amenable number.

3016969 is a deficient number, since it is larger than the sum of its proper divisors (3575).

3016969 is a wasteful number, since it uses less digits than its factorization.

3016969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 3016969 is about 1736.9424285220. The cubic root of 3016969 is about 144.4963740744.

The spelling of 3016969 in words is "three million, sixteen thousand, nine hundred sixty-nine".

Divisors: 1 1367 2207 3016969