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427799193 = 3197505249
BaseRepresentation
bin11001011111111…
…011001010011001
31002210222110011120
4121133323022121
51334004033233
6110241115453
713413142653
oct3137731231
91083873146
10427799193
111aa532958
12bb328b89
136a825923
1440b5d6d3
15278554b3
hex197fb299

427799193 has 8 divisors (see below), whose sum is σ = 600420000. Its totient is φ = 270188928.

The previous prime is 427799179. The next prime is 427799201. The reversal of 427799193 is 391997724.

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

It is not a de Polignac number, because 427799193 - 29 = 427798681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427799173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3752568 + ... + 3752681.

It is an arithmetic number, because the mean of its divisors is an integer number (75052500).

Almost surely, 2427799193 is an apocalyptic number.

It is an amenable number.

427799193 is a deficient number, since it is larger than the sum of its proper divisors (172620807).

427799193 is a wasteful number, since it uses less digits than its factorization.

427799193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505271.

The product of its digits is 857304, while the sum is 51.

The square root of 427799193 is about 20683.3071098410. The cubic root of 427799193 is about 753.4943271749.

The spelling of 427799193 in words is "four hundred twenty-seven million, seven hundred ninety-nine thousand, one hundred ninety-three".

Divisors: 1 3 19 57 7505249 22515747 142599731 427799193