Search a number
-
+
445055401 = 7149426707
BaseRepresentation
bin11010100001110…
…000000110101001
31011000110011020101
4122201300012221
51402413233101
6112055025401
714012623420
oct3241600651
91130404211
10445055401
1120924978a
1210506b261
13712881bb
14431722b7
1529113401
hex1a8701a9

445055401 has 8 divisors (see below), whose sum is σ = 512049600. Its totient is φ = 378914928.

The previous prime is 445055399. The next prime is 445055417. The reversal of 445055401 is 104550544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445055401 - 21 = 445055399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445055401.

It is not an unprimeable number, because it can be changed into a prime (445055201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212311 + ... + 214396.

It is an arithmetic number, because the mean of its divisors is an integer number (64006200).

Almost surely, 2445055401 is an apocalyptic number.

It is an amenable number.

445055401 is a deficient number, since it is larger than the sum of its proper divisors (66994199).

445055401 is a wasteful number, since it uses less digits than its factorization.

445055401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426863.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 445055401 is about 21096.3361984966. The cubic root of 445055401 is about 763.4923535946.

The spelling of 445055401 in words is "four hundred forty-five million, fifty-five thousand, four hundred one".

Divisors: 1 7 149 1043 426707 2986949 63579343 445055401