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28946850 = 2352192979
BaseRepresentation
bin110111001101…
…1000110100010
32000110122121120
41232123012202
524402244400
62512233110
7501021102
oct156330642
960418546
1028946850
1115381219
12983b796
135cc681a
143bb7202
15281bca0
hex1b9b1a2

28946850 has 24 divisors (see below), whose sum is σ = 71788560. Its totient is φ = 7719120.

The previous prime is 28946849. The next prime is 28946873. The reversal of 28946850 is 5864982.

It is a Curzon 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 in 11 ways as a sum of consecutive naturals, for example, 96340 + ... + 96639.

It is an arithmetic number, because the mean of its divisors is an integer number (2991190).

Almost surely, 228946850 is an apocalyptic number.

28946850 is an abundant number, since it is smaller than the sum of its proper divisors (42841710).

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

28946850 is a wasteful number, since it uses less digits than its factorization.

28946850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192994 (or 192989 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 28946850 is about 5380.2276903492. The cubic root of 28946850 is about 307.0438739476.

The spelling of 28946850 in words is "twenty-eight million, nine hundred forty-six thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 192979 385958 578937 964895 1157874 1929790 2894685 4824475 5789370 9648950 14473425 28946850