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3069213 = 37220879
BaseRepresentation
bin1011101101010100011101
312202221011120
423231110131
51241203323
6145441153
735042100
oct13552435
95687146
103069213
111806a44
1210401b9
13836004
1459c737
154095e3
hex2ed51d

3069213 has 12 divisors (see below), whose sum is σ = 4760640. Its totient is φ = 1753752.

The previous prime is 3069181. The next prime is 3069223. The reversal of 3069213 is 3129603.

It is not a de Polignac number, because 3069213 - 25 = 3069181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3069223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10293 + ... + 10586.

It is an arithmetic number, because the mean of its divisors is an integer number (396720).

Almost surely, 23069213 is an apocalyptic number.

It is an amenable number.

3069213 is a deficient number, since it is larger than the sum of its proper divisors (1691427).

3069213 is a wasteful number, since it uses less digits than its factorization.

3069213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20896 (or 20889 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 3069213 is about 1751.9169500864. The cubic root of 3069213 is about 145.3256730571.

The spelling of 3069213 in words is "three million, sixty-nine thousand, two hundred thirteen".

Divisors: 1 3 7 21 49 147 20879 62637 146153 438459 1023071 3069213