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28850835 = 3513219599
BaseRepresentation
bin110111000001…
…1101010010011
32000021202220110
41232003222103
524341211320
62510212403
7500141136
oct156035223
960252813
1028850835
1115316072
1297b4103
135c91c00
143b9021d
1527ed5e0
hex1b83a93

28850835 has 48 divisors (see below), whose sum is σ = 52704000. Its totient is φ = 13433472.

The previous prime is 28850813. The next prime is 28850851. The reversal of 28850835 is 53805882.

It is not a de Polignac number, because 28850835 - 26 = 28850771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 28850793 and 28850802.

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 47 ways as a sum of consecutive naturals, for example, 47866 + ... + 48464.

It is an arithmetic number, because the mean of its divisors is an integer number (1098000).

Almost surely, 228850835 is an apocalyptic number.

28850835 is a deficient number, since it is larger than the sum of its proper divisors (23853165).

28850835 is a wasteful number, since it uses less digits than its factorization.

28850835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 28850835 is about 5371.2973293237. The cubic root of 28850835 is about 306.7040157462.

The spelling of 28850835 in words is "twenty-eight million, eight hundred fifty thousand, eight hundred thirty-five".

Divisors: 1 3 5 13 15 19 39 57 65 95 169 195 247 285 507 599 741 845 1235 1797 2535 2995 3211 3705 7787 8985 9633 11381 16055 23361 34143 38935 48165 56905 101231 116805 147953 170715 303693 443859 506155 739765 1518465 1923389 2219295 5770167 9616945 28850835