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6969069 = 3223131257
BaseRepresentation
bin11010100101011011101101
3111010001202200
4122211123231
53241002234
6405212113
7113143662
oct32453355
914101680
106969069
113a2aa68
122401039
1315a0113
14cd5a69
15929d99
hex6a56ed

6969069 has 24 divisors (see below), whose sum is σ = 10625472. Its totient is φ = 4392960.

The previous prime is 6969047. The next prime is 6969089. The reversal of 6969069 is 9609696.

It is not a de Polignac number, because 6969069 - 29 = 6968557 is a prime.

It is a super-2 number, since 2×69690692 = 97135845453522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6969089) 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, 26989 + ... + 27245.

It is an arithmetic number, because the mean of its divisors is an integer number (442728).

Almost surely, 26969069 is an apocalyptic number.

6969069 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6969069 is a deficient number, since it is larger than the sum of its proper divisors (3656403).

6969069 is a wasteful number, since it uses less digits than its factorization.

6969069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 6969069 is about 2639.8994299026. The cubic root of 6969069 is about 191.0109457101.

The spelling of 6969069 in words is "six million, nine hundred sixty-nine thousand, sixty-nine".

Divisors: 1 3 9 23 69 131 207 257 393 771 1179 2313 3013 5911 9039 17733 27117 33667 53199 101001 303003 774341 2323023 6969069