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28447098 = 234741183
BaseRepresentation
bin110110010000…
…1000101111010
31222112021002020
41230201011322
524240301343
62453415310
7463540101
oct154410572
958467066
1028447098
111506a7a9
12963a536
135b80204
143ac7038
15276db83
hex1b2117a

28447098 has 8 divisors (see below), whose sum is σ = 56894208. Its totient is φ = 9482364.

The previous prime is 28447063. The next prime is 28447157. The reversal of 28447098 is 89074482.

It is a sphenic number, since it is the product of 3 distinct primes.

28447098 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370586 + ... + 2370597.

It is an arithmetic number, because the mean of its divisors is an integer number (7111776).

Almost surely, 228447098 is an apocalyptic number.

28447098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28447098 is a wasteful number, since it uses less digits than its factorization.

28447098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741188.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 28447098 is about 5333.5820983650. The cubic root of 28447098 is about 305.2666234363.

The spelling of 28447098 in words is "twenty-eight million, four hundred forty-seven thousand, ninety-eight".

Divisors: 1 2 3 6 4741183 9482366 14223549 28447098