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445420414 = 2618214447
BaseRepresentation
bin11010100011001…
…001001101111110
31011001010200221101
4122203021031332
51403011423124
6112110523314
714016003535
oct3243111576
91131120841
10445420414
11209478a4a
1210520653a
137138539a
144322931c
1529186644
hex1a8c937e

445420414 has 16 divisors (see below), whose sum is σ = 680063616. Its totient is φ = 218743200.

The previous prime is 445420399. The next prime is 445420421. The reversal of 445420414 is 414024544.

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, 97939 + ... + 102385.

It is an arithmetic number, because the mean of its divisors is an integer number (42503976).

Almost surely, 2445420414 is an apocalyptic number.

445420414 is a deficient number, since it is larger than the sum of its proper divisors (234643202).

445420414 is a wasteful number, since it uses less digits than its factorization.

445420414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 445420414 is about 21104.9855247522. The cubic root of 445420414 is about 763.7010231075.

Adding to 445420414 its reverse (414024544), we get a palindrome (859444958).

The spelling of 445420414 in words is "four hundred forty-five million, four hundred twenty thousand, four hundred fourteen".

Divisors: 1 2 61 122 821 1642 4447 8894 50081 100162 271267 542534 3650987 7301974 222710207 445420414