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28601466 = 2323207257
BaseRepresentation
bin110110100011…
…0110001111010
31222211002211120
41231012301322
524310221331
62501010110
7465052125
oct155066172
958732746
1028601466
1115165783
1296b3936
135c0555a
143b273bc
15279e796
hex1b46c7a

28601466 has 16 divisors (see below), whose sum is σ = 59690304. Its totient is φ = 9119264.

The previous prime is 28601431. The next prime is 28601467. The reversal of 28601466 is 66410682.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28601467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103491 + ... + 103766.

It is an arithmetic number, because the mean of its divisors is an integer number (3730644).

Almost surely, 228601466 is an apocalyptic number.

28601466 is an abundant number, since it is smaller than the sum of its proper divisors (31088838).

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

28601466 is a wasteful number, since it uses less digits than its factorization.

28601466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207285.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 28601466 is about 5348.0338443207. The cubic root of 28601466 is about 305.8178034535.

The spelling of 28601466 in words is "twenty-eight million, six hundred one thousand, four hundred sixty-six".

Divisors: 1 2 3 6 23 46 69 138 207257 414514 621771 1243542 4766911 9533822 14300733 28601466