Search a number
-
+
427760284 = 22719777549
BaseRepresentation
bin11001011111110…
…001101010011100
31002210220110210111
4121133301222130
51334001312114
6110240215404
713412621350
oct3137615234
91083813714
10427760284
111aa5066a6
12bb30a564
136a810cc3
1440b4d460
1527848bc4
hex197f1a9c

427760284 has 24 divisors (see below), whose sum is σ = 859874400. Its totient is φ = 182392896.

The previous prime is 427760189. The next prime is 427760327. The reversal of 427760284 is 482067724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33259 + ... + 44290.

It is an arithmetic number, because the mean of its divisors is an integer number (35828100).

Almost surely, 2427760284 is an apocalyptic number.

It is an amenable number.

427760284 is an abundant number, since it is smaller than the sum of its proper divisors (432114116).

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

427760284 is a wasteful number, since it uses less digits than its factorization.

427760284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77757 (or 77755 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 427760284 is about 20682.3664990252. The cubic root of 427760284 is about 753.4714826565.

The spelling of 427760284 in words is "four hundred twenty-seven million, seven hundred sixty thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 197 394 788 1379 2758 5516 77549 155098 310196 542843 1085686 2171372 15277153 30554306 61108612 106940071 213880142 427760284