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28350832 = 2417104231
BaseRepresentation
bin110110000100…
…1100101110000
31222100101000211
41230021211300
524224211312
62451353504
7462656326
oct154114560
958311024
1028350832
1115004444
1295b2894
135b48453
143a9dd16
1527503a7
hex1b09970

28350832 has 20 divisors (see below), whose sum is σ = 58161456. Its totient is φ = 13341440.

The previous prime is 28350821. The next prime is 28350841. The reversal of 28350832 is 23805382.

It is a junction number, because it is equal to n+sod(n) for n = 28350794 and 28350803.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 51844 + ... + 52387.

Almost surely, 228350832 is an apocalyptic number.

It is an amenable number.

28350832 is an abundant number, since it is smaller than the sum of its proper divisors (29810624).

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

28350832 is a wasteful number, since it uses less digits than its factorization.

28350832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104256 (or 104250 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 28350832 is about 5324.5499340320. The cubic root of 28350832 is about 304.9218898787.

It can be divided in two parts, 283 and 50832, that added together give a palindrome (51115).

The spelling of 28350832 in words is "twenty-eight million, three hundred fifty thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 104231 208462 416924 833848 1667696 1771927 3543854 7087708 14175416 28350832