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167028 = 22331449
BaseRepresentation
bin101000110001110100
322111010020
4220301310
520321103
63325140
71263651
oct506164
9274106
10167028
11104544
12807b0
135b044
1444c28
1534753
hex28c74

167028 has 24 divisors (see below), whose sum is σ = 403200. Its totient is φ = 53760.

The previous prime is 167023. The next prime is 167033. The reversal of 167028 is 820761.

It is an interprime number because it is at equal distance from previous prime (167023) and next prime (167033).

It is a junction number, because it is equal to n+sod(n) for n = 166989 and 167007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167021) by changing a digit.

167028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148 + ... + 596.

It is an arithmetic number, because the mean of its divisors is an integer number (16800).

2167028 is an apocalyptic number.

It is an amenable number.

167028 is an abundant number, since it is smaller than the sum of its proper divisors (236172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167028 is a wasteful number, since it uses less digits than its factorization.

167028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 167028 is about 408.6905920131. The cubic root of 167028 is about 55.0718619884.

Adding to 167028 its reverse (820761), we get a palindrome (987789).

The spelling of 167028 in words is "one hundred sixty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 449 898 1347 1796 2694 5388 13919 27838 41757 55676 83514 167028