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28341172 = 227085293
BaseRepresentation
bin110110000011…
…1001110110100
31222022212210001
41230013032310
524223404142
62451241044
7462616216
oct154071664
958285701
1028341172
1114aa8162
1295a9184
135b43c32
143a9a5b6
15274c5b7
hex1b073b4

28341172 has 6 divisors (see below), whose sum is σ = 49597058. Its totient is φ = 14170584.

The previous prime is 28341113. The next prime is 28341233. The reversal of 28341172 is 27114382.

It can be written as a sum of positive squares in only one way, i.e., 19838116 + 8503056 = 4454^2 + 2916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28341172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3542643 + ... + 3542650.

Almost surely, 228341172 is an apocalyptic number.

It is an amenable number.

28341172 is a deficient number, since it is larger than the sum of its proper divisors (21255886).

28341172 is a wasteful number, since it uses less digits than its factorization.

28341172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085297 (or 7085295 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 28341172 is about 5323.6427378253. The cubic root of 28341172 is about 304.8872538573.

The spelling of 28341172 in words is "twenty-eight million, three hundred forty-one thousand, one hundred seventy-two".

Divisors: 1 2 4 7085293 14170586 28341172