Search a number
-
+
428542996 = 22773209659
BaseRepresentation
bin11001100010110…
…000110000010100
31002212101020110211
4121202300300110
51334201333441
6110305055204
713422361330
oct3142606024
91085336424
10428542996
111aa9a0772
12bb627504
136aa2634b
1440cb47c0
1527950a81
hex198b0c14

428542996 has 24 divisors (see below), whose sum is σ = 868831040. Its totient is φ = 181144512.

The previous prime is 428542979. The next prime is 428543009. The reversal of 428542996 is 699245824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102786 + ... + 106873.

Almost surely, 2428542996 is an apocalyptic number.

It is an amenable number.

428542996 is an abundant number, since it is smaller than the sum of its proper divisors (440288044).

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

428542996 is a wasteful number, since it uses less digits than its factorization.

428542996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209743 (or 209741 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 428542996 is about 20701.2800570400. The cubic root of 428542996 is about 753.9307677992.

The spelling of 428542996 in words is "four hundred twenty-eight million, five hundred forty-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 209659 419318 838636 1467613 2935226 5870452 15305107 30610214 61220428 107135749 214271498 428542996