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28547106 = 2372891091
BaseRepresentation
bin110110011100…
…1100000100010
31222201100021020
41230321200202
524302001411
62455510310
7464434500
oct154714042
958640236
1028547106
1115128955
129688396
135bb68a3
143b11670
15278d606
hex1b39822

28547106 has 48 divisors (see below), whose sum is σ = 67223520. Its totient is φ = 8057280.

The previous prime is 28547093. The next prime is 28547119. The reversal of 28547106 is 60174582.

It is an interprime number because it is at equal distance from previous prime (28547093) and next prime (28547119).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25621 + ... + 26711.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 228547106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28547106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33611760).

28547106 is an abundant number, since it is smaller than the sum of its proper divisors (38676414).

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

28547106 is a wasteful number, since it uses less digits than its factorization.

28547106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 28547106 is about 5342.9491856090. The cubic root of 28547106 is about 305.6239346152.

The spelling of 28547106 in words is "twenty-eight million, five hundred forty-seven thousand, one hundred six".

Divisors: 1 2 3 6 7 14 21 42 49 89 98 147 178 267 294 534 623 1091 1246 1869 2182 3273 3738 4361 6546 7637 8722 13083 15274 22911 26166 45822 53459 97099 106918 160377 194198 291297 320754 582594 679693 1359386 2039079 4078158 4757851 9515702 14273553 28547106