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445288492 = 221121147963
BaseRepresentation
bin11010100010101…
…001000000101100
31011000212222222101
4122202221000230
51402443212432
6112104024444
714014614115
oct3242510054
91130788871
10445288492
11209398920
12105162124
137133a31c
14431d320c
152915c4e7
hex1a8a902c

445288492 has 24 divisors (see below), whose sum is σ = 854142912. Its totient is φ = 201440400.

The previous prime is 445288489. The next prime is 445288513. The reversal of 445288492 is 294882544.

It is a super-2 number, since 2×4452884922 = 396563682215268128, which contains 22 as substring.

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, 14698 + ... + 33265.

It is an arithmetic number, because the mean of its divisors is an integer number (35589288).

Almost surely, 2445288492 is an apocalyptic number.

It is an amenable number.

445288492 is a deficient number, since it is larger than the sum of its proper divisors (408854420).

445288492 is a wasteful number, since it uses less digits than its factorization.

445288492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48189 (or 48187 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 445288492 is about 21101.8599180262. The cubic root of 445288492 is about 763.6256195029.

The spelling of 445288492 in words is "four hundred forty-five million, two hundred eighty-eight thousand, four hundred ninety-two".

Divisors: 1 2 4 11 22 44 211 422 844 2321 4642 9284 47963 95926 191852 527593 1055186 2110372 10120193 20240386 40480772 111322123 222644246 445288492