Search a number
-
+
654077420 = 22532703871
BaseRepresentation
bin100110111111000…
…110110111101100
31200120202120112122
4212333012313230
52314420434140
6144523052112
722131365153
oct4677066754
91616676478
10654077420
11306234057
12163071038
13a5680b79
1462c2259a
153c650ab5
hex26fc6dec

654077420 has 12 divisors (see below), whose sum is σ = 1373562624. Its totient is φ = 261630960.

The previous prime is 654077407. The next prime is 654077443. The reversal of 654077420 is 24770456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16351916 + ... + 16351955.

It is an arithmetic number, because the mean of its divisors is an integer number (114463552).

Almost surely, 2654077420 is an apocalyptic number.

It is an amenable number.

654077420 is an abundant number, since it is smaller than the sum of its proper divisors (719485204).

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

654077420 is a wasteful number, since it uses less digits than its factorization.

654077420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32703880 (or 32703878 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 654077420 is about 25574.9373410767. The cubic root of 654077420 is about 868.0466237424.

It can be divided in two parts, 65407 and 7420, that added together give a palindrome (72827).

The spelling of 654077420 in words is "six hundred fifty-four million, seventy-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 32703871 65407742 130815484 163519355 327038710 654077420