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28246075 = 5211137901
BaseRepresentation
bin110101111000…
…0000000111011
31222011001022221
41223300000323
524212333300
62445224511
7462042034
oct153600073
958131287
1028246075
1114a42770
129562137
135b0c870
143a73a8b
15272e31a
hex1af003b

28246075 has 24 divisors (see below), whose sum is σ = 41153616. Its totient is φ = 18960000.

The previous prime is 28246069. The next prime is 28246081. The reversal of 28246075 is 57064282.

It is an interprime number because it is at equal distance from previous prime (28246069) and next prime (28246081).

It is not a de Polignac number, because 28246075 - 29 = 28245563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28246075.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376 + ... + 7525.

It is an arithmetic number, because the mean of its divisors is an integer number (1714734).

Almost surely, 228246075 is an apocalyptic number.

28246075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28246075 is a deficient number, since it is larger than the sum of its proper divisors (12907541).

28246075 is a wasteful number, since it uses less digits than its factorization.

28246075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935 (or 7930 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 28246075 is about 5314.7036606005. The cubic root of 28246075 is about 304.5458618031.

The spelling of 28246075 in words is "twenty-eight million, two hundred forty-six thousand, seventy-five".

Divisors: 1 5 11 13 25 55 65 143 275 325 715 3575 7901 39505 86911 102713 197525 434555 513565 1129843 2172775 2567825 5649215 28246075