Search a number
-
+
427154093 = 1000942677
BaseRepresentation
bin11001011101011…
…101101010101101
31002202202200020222
4121131131222231
51333322412333
6110215221125
713404515132
oct3135355255
91082680228
10427154093
111aa132213
12bb0777a5
136a65b102
1440a32589
1527779298
hex1975daad

427154093 has 4 divisors (see below), whose sum is σ = 427206780. Its totient is φ = 427101408.

The previous prime is 427154023. The next prime is 427154107. The reversal of 427154093 is 390451724.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 368140969 + 59013124 = 19187^2 + 7682^2 .

It is a cyclic number.

It is not a de Polignac number, because 427154093 - 220 = 426105517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427154023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11330 + ... + 31347.

It is an arithmetic number, because the mean of its divisors is an integer number (106801695).

Almost surely, 2427154093 is an apocalyptic number.

It is an amenable number.

427154093 is a deficient number, since it is larger than the sum of its proper divisors (52687).

427154093 is a wasteful number, since it uses less digits than its factorization.

427154093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52686.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 427154093 is about 20667.7065249147. The cubic root of 427154093 is about 753.1153925945.

The spelling of 427154093 in words is "four hundred twenty-seven million, one hundred fifty-four thousand, ninety-three".

Divisors: 1 10009 42677 427154093