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28350966 = 237976959
BaseRepresentation
bin110110000100…
…1100111110110
31222100101012210
41230021213312
524224212331
62451354250
7462656610
oct154114766
958311183
1028350966
1115004556
1295b2986
135b48527
143a9ddb0
152750446
hex1b099f6

28350966 has 32 divisors (see below), whose sum is σ = 65479680. Its totient is φ = 8015616.

The previous prime is 28350953. The next prime is 28350979. The reversal of 28350966 is 66905382.

It is an interprime number because it is at equal distance from previous prime (28350953) and next prime (28350979).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595 + ... + 7553.

It is an arithmetic number, because the mean of its divisors is an integer number (2046240).

Almost surely, 228350966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28350966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32739840).

28350966 is an abundant number, since it is smaller than the sum of its proper divisors (37128714).

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

28350966 is a wasteful number, since it uses less digits than its factorization.

28350966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 28350966 is about 5324.5625172403. The cubic root of 28350966 is about 304.9223702816.

The spelling of 28350966 in words is "twenty-eight million, three hundred fifty thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 97 194 291 582 679 1358 2037 4074 6959 13918 20877 41754 48713 97426 146139 292278 675023 1350046 2025069 4050138 4725161 9450322 14175483 28350966