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28835616 = 2531915809
BaseRepresentation
bin110110111111…
…1111100100000
32000021000000210
41231333330200
524340214431
62510014120
7500045565
oct155777440
960230023
1028835616
1115305697
1297a7340
135c87cc4
143b8886c
1527e8d46
hex1b7ff20

28835616 has 48 divisors (see below), whose sum is σ = 79682400. Its totient is φ = 9105408.

The previous prime is 28835593. The next prime is 28835627. The reversal of 28835616 is 61653882.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6081 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (1660050).

Almost surely, 228835616 is an apocalyptic number.

It is an amenable number.

28835616 is an abundant number, since it is smaller than the sum of its proper divisors (50846784).

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

28835616 is a wasteful number, since it uses less digits than its factorization.

28835616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15841 (or 15833 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 28835616 is about 5369.8804455965. The cubic root of 28835616 is about 306.6500768173.

The spelling of 28835616 in words is "twenty-eight million, eight hundred thirty-five thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 15809 31618 47427 63236 94854 126472 189708 252944 300371 379416 505888 600742 758832 901113 1201484 1517664 1802226 2402968 3604452 4805936 7208904 9611872 14417808 28835616