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28950164 = 2267108023
BaseRepresentation
bin110111001101…
…1111010010100
32000110211011022
41232123322110
524402401124
62512300312
7501033545
oct156337224
960424138
1028950164
1115383761
129841698
135cc8199
143bb84cc
15281cc5e
hex1b9be94

28950164 has 12 divisors (see below), whose sum is σ = 51419424. Its totient is φ = 14258904.

The previous prime is 28950161. The next prime is 28950191. The reversal of 28950164 is 46105982.

It is a super-2 number, since 2×289501642 = 1676223991253792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53744 + ... + 54279.

It is an arithmetic number, because the mean of its divisors is an integer number (4284952).

Almost surely, 228950164 is an apocalyptic number.

It is an amenable number.

28950164 is a deficient number, since it is larger than the sum of its proper divisors (22469260).

28950164 is a wasteful number, since it uses less digits than its factorization.

28950164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108094 (or 108092 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 28950164 is about 5380.5356610657. The cubic root of 28950164 is about 307.0555908767.

The spelling of 28950164 in words is "twenty-eight million, nine hundred fifty thousand, one hundred sixty-four".

Divisors: 1 2 4 67 134 268 108023 216046 432092 7237541 14475082 28950164