Search a number
-
+
427237092 = 22341318633
BaseRepresentation
bin11001011101110…
…001111011100100
31002202220220010000
4121131301323210
51333333041332
6110221101300
713405312122
oct3135617344
91082826100
10427237092
111aa189607
12bb0b7830
136a689b19
1440a54912
1527793b7c
hex19771ee4

427237092 has 30 divisors (see below), whose sum is σ = 1116882998. Its totient is φ = 142412256.

The previous prime is 427237079. The next prime is 427237147. The reversal of 427237092 is 290732724.

It can be written as a sum of positive squares in only one way, i.e., 427000896 + 236196 = 20664^2 + 486^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 9 ways as a sum of consecutive naturals, for example, 658993 + ... + 659640.

Almost surely, 2427237092 is an apocalyptic number.

It is an amenable number.

427237092 is an abundant number, since it is smaller than the sum of its proper divisors (689645906).

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

427237092 is a wasteful number, since it uses less digits than its factorization.

427237092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318649 (or 1318638 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 427237092 is about 20669.7143666767. The cubic root of 427237092 is about 753.1641679485.

The spelling of 427237092 in words is "four hundred twenty-seven million, two hundred thirty-seven thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 1318633 2637266 3955899 5274532 7911798 11867697 15823596 23735394 35603091 47470788 71206182 106809273 142412364 213618546 427237092