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8275331 = 233311087
BaseRepresentation
bin11111100100010110000011
3120120102121202
4133210112003
54104302311
6453211415
7130224221
oct37442603
916512552
108275331
114742419
122930b6b
13193985c
141155b11
15ad6e3b
hex7e4583

8275331 has 8 divisors (see below), whose sum is σ = 8669184. Its totient is φ = 7884360.

The previous prime is 8275303. The next prime is 8275343. The reversal of 8275331 is 1335728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8275331 is a prime.

It is a super-2 number, since 2×82753312 = 136962206319122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8275294 and 8275303.

It is not an unprimeable number, because it can be changed into a prime (8275301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7070 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (1083648).

Almost surely, 28275331 is an apocalyptic number.

8275331 is a deficient number, since it is larger than the sum of its proper divisors (393853).

8275331 is a wasteful number, since it uses less digits than its factorization.

8275331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441.

The product of its digits is 5040, while the sum is 29.

The square root of 8275331 is about 2876.6875047526. The cubic root of 8275331 is about 202.2685950868.

It can be divided in two parts, 8275 and 331, that multiplied together give a square (2739025 = 16552).

The spelling of 8275331 in words is "eight million, two hundred seventy-five thousand, three hundred thirty-one".

Divisors: 1 23 331 1087 7613 25001 359797 8275331