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8213275 = 52746933
BaseRepresentation
bin11111010101001100011011
3120110021111101
4133111030123
54100311100
6452012231
7126545260
oct37251433
916407441
108213275
1146aa834
122901077
131917535
14113b267
15ac386a
hex7d531b

8213275 has 12 divisors (see below), whose sum is σ = 11639632. Its totient is φ = 5631840.

The previous prime is 8213273. The next prime is 8213279. The reversal of 8213275 is 5723128.

It is not a de Polignac number, because 8213275 - 21 = 8213273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8213273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23292 + ... + 23641.

Almost surely, 28213275 is an apocalyptic number.

8213275 is a deficient number, since it is larger than the sum of its proper divisors (3426357).

8213275 is a wasteful number, since it uses less digits than its factorization.

8213275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46950 (or 46945 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 8213275 is about 2865.8811908382. The cubic root of 8213275 is about 201.7617276792.

It can be divided in two parts, 821 and 3275, that added together give a 12-th power (4096 = 212).

The spelling of 8213275 in words is "eight million, two hundred thirteen thousand, two hundred seventy-five".

Divisors: 1 5 7 25 35 175 46933 234665 328531 1173325 1642655 8213275