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47098 = 223549
BaseRepresentation
bin1011011111111010
32101121101
423133322
53001343
61002014
7254212
oct133772
971541
1047098
1132427
122330a
131858c
1413242
15de4d
hexb7fa

47098 has 4 divisors (see below), whose sum is σ = 70650. Its totient is φ = 23548.

The previous prime is 47093. The next prime is 47111. The reversal of 47098 is 89074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89074 = 244537.

It can be written as a sum of positive squares in only one way, i.e., 47089 + 9 = 217^2 + 3^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (47093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11773 + ... + 11776.

247098 is an apocalyptic number.

47098 is a deficient number, since it is larger than the sum of its proper divisors (23552).

47098 is a wasteful number, since it uses less digits than its factorization.

47098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23551.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 47098 is about 217.0207363364. The cubic root of 47098 is about 36.1133260092.

The spelling of 47098 in words is "forty-seven thousand, ninety-eight".

Divisors: 1 2 23549 47098