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28060194 = 2371199331
BaseRepresentation
bin110101100001…
…0101000100010
31221210121100110
41223002220202
524140411234
62441232150
7460336101
oct153025042
957717313
1028060194
1114926048
129492656
135a76086
143a26038
1526e41e9
hex1ac2a22

28060194 has 32 divisors (see below), whose sum is σ = 57369600. Its totient is φ = 9147600.

The previous prime is 28060189. The next prime is 28060199. The reversal of 28060194 is 49106082.

It is an interprime number because it is at equal distance from previous prime (28060189) and next prime (28060199).

It is not an unprimeable number, because it can be changed into a prime (28060199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84609 + ... + 84939.

It is an arithmetic number, because the mean of its divisors is an integer number (1792800).

Almost surely, 228060194 is an apocalyptic number.

28060194 is an abundant number, since it is smaller than the sum of its proper divisors (29309406).

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

28060194 is a wasteful number, since it uses less digits than its factorization.

28060194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 28060194 is about 5297.1873668958. The cubic root of 28060194 is about 303.8763419618.

The spelling of 28060194 in words is "twenty-eight million, sixty thousand, one hundred ninety-four".

Divisors: 1 2 3 6 71 142 199 213 331 398 426 597 662 993 1194 1986 14129 23501 28258 42387 47002 65869 70503 84774 131738 141006 197607 395214 4676699 9353398 14030097 28060194