Search a number
-
+
446242420 = 225131716317
BaseRepresentation
bin11010100110010…
…001111001110100
31011002200110112001
4122212101321310
51403214224140
6112140305044
714025666211
oct3246217164
91132613461
10446242420
1120998a598
12105542184
13715b2590
14433a0b08
1529299e9a
hex1a991e74

446242420 has 24 divisors (see below), whose sum is σ = 1009194984. Its totient is φ = 164766336.

The previous prime is 446242411. The next prime is 446242451. The reversal of 446242420 is 24242644.

It can be written as a sum of positive squares in 4 ways, for example, as 68095504 + 378146916 = 8252^2 + 19446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857899 + ... + 858418.

It is an arithmetic number, because the mean of its divisors is an integer number (42049791).

Almost surely, 2446242420 is an apocalyptic number.

It is an amenable number.

446242420 is an abundant number, since it is smaller than the sum of its proper divisors (562952564).

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

446242420 is a wasteful number, since it uses less digits than its factorization.

446242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716339 (or 1716337 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 446242420 is about 21124.4507620908. The cubic root of 446242420 is about 764.1705278914.

The spelling of 446242420 in words is "four hundred forty-six million, two hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1716317 3432634 6865268 8581585 17163170 22312121 34326340 44624242 89248484 111560605 223121210 446242420