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8275069 = 11268389
BaseRepresentation
bin11111100100010001111101
3120120102021001
4133210101331
54104300234
6453210301
7130223365
oct37442175
916512231
108275069
114742200
122930991
1319396ba
1411559a5
15ad6d14
hex7e447d

8275069 has 6 divisors (see below), whose sum is σ = 9095870. Its totient is φ = 7522680.

The previous prime is 8275067. The next prime is 8275093. The reversal of 8275069 is 9605728.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 407044 = 2805^2 + 638^2 .

It is not a de Polignac number, because 8275069 - 21 = 8275067 is a prime.

It is a super-2 number, since 2×82750692 = 136953533909522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 85 + 219 + 78 + 59 + 0 + 6 + 92 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8275067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34074 + ... + 34315.

Almost surely, 28275069 is an apocalyptic number.

It is an amenable number.

8275069 is a deficient number, since it is larger than the sum of its proper divisors (820801).

8275069 is a wasteful number, since it uses less digits than its factorization.

8275069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68411 (or 68400 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 8275069 is about 2876.6419659040. The cubic root of 8275069 is about 202.2664604318.

The spelling of 8275069 in words is "eight million, two hundred seventy-five thousand, sixty-nine".

Divisors: 1 11 121 68389 752279 8275069