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446425940 = 22522321297
BaseRepresentation
bin11010100110111…
…110101101010100
31011010000210021002
4122212332231110
51403241112230
6112144242432
714030362232
oct3246765524
91133023232
10446425940
11209aa5464
12105610418
1371647c7c
144340b952
15292d4545
hex1a9beb54

446425940 has 12 divisors (see below), whose sum is σ = 937494516. Its totient is φ = 178570368.

The previous prime is 446425939. The next prime is 446425951. The reversal of 446425940 is 49524644.

It can be written as a sum of positive squares in 2 ways, for example, as 80928016 + 365497924 = 8996^2 + 19118^2 .

It is a super-2 number, since 2×4464259402 = 398592239809767200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 446425894 and 446425903.

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 3 ways as a sum of consecutive naturals, for example, 11160629 + ... + 11160668.

It is an arithmetic number, because the mean of its divisors is an integer number (78124543).

Almost surely, 2446425940 is an apocalyptic number.

It is an amenable number.

446425940 is an abundant number, since it is smaller than the sum of its proper divisors (491068576).

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

446425940 is a wasteful number, since it uses less digits than its factorization.

446425940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22321306 (or 22321304 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 446425940 is about 21128.7940971557. The cubic root of 446425940 is about 764.2752701782.

The spelling of 446425940 in words is "four hundred forty-six million, four hundred twenty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 22321297 44642594 89285188 111606485 223212970 446425940