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7001228 = 2213134639
BaseRepresentation
bin11010101101010010001100
3111011200212202
4122231102030
53243014403
6410021032
7113336513
oct32552214
914150782
107001228
113a52143
122417778
1315b1950
14d0367a
15934688
hex6ad48c

7001228 has 12 divisors (see below), whose sum is σ = 13194720. Its totient is φ = 3231312.

The previous prime is 7001221. The next prime is 7001233. The reversal of 7001228 is 8221007.

It is not an unprimeable number, because it can be changed into a prime (7001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67268 + ... + 67371.

It is an arithmetic number, because the mean of its divisors is an integer number (1099560).

Almost surely, 27001228 is an apocalyptic number.

It is an amenable number.

7001228 is a deficient number, since it is larger than the sum of its proper divisors (6193492).

7001228 is a wasteful number, since it uses less digits than its factorization.

7001228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134656 (or 134654 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 7001228 is about 2645.9833710740. The cubic root of 7001228 is about 191.3043037160.

The spelling of 7001228 in words is "seven million, one thousand, two hundred twenty-eight".

Divisors: 1 2 4 13 26 52 134639 269278 538556 1750307 3500614 7001228