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7065214 = 213220903
BaseRepresentation
bin11010111100111001111110
3111021221122121
4122330321332
53302041324
6411233154
7114024202
oct32747176
914257577
107065214
113a96222
1224487ba
131604b00
14d1cb02
159485e4
hex6bce7e

7065214 has 12 divisors (see below), whose sum is σ = 11476296. Its totient is φ = 3260712.

The previous prime is 7065211. The next prime is 7065221. The reversal of 7065214 is 4125607.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7065211) 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, 10114 + ... + 10789.

It is an arithmetic number, because the mean of its divisors is an integer number (956358).

Almost surely, 27065214 is an apocalyptic number.

7065214 is a deficient number, since it is larger than the sum of its proper divisors (4411082).

7065214 is a wasteful number, since it uses less digits than its factorization.

7065214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20931 (or 20918 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 7065214 is about 2658.0470274245. The cubic root of 7065214 is about 191.8853301105.

The spelling of 7065214 in words is "seven million, sixty-five thousand, two hundred fourteen".

Divisors: 1 2 13 26 169 338 20903 41806 271739 543478 3532607 7065214