Search a number
-
+
445020994 = 21173277099
BaseRepresentation
bin11010100001100…
…111101101000010
31011000101102001001
4122201213231002
51402411132434
6112054202214
714012421205
oct3241475502
91130342031
10445020994
11209225950
1210505336a
1371275642
144316393c
1529108114
hex1a867b42

445020994 has 16 divisors (see below), whose sum is σ = 738194400. Its totient is φ = 199510560.

The previous prime is 445020991. The next prime is 445021063. The reversal of 445020994 is 499020544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (445020991) 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, 136944 + ... + 140155.

It is an arithmetic number, because the mean of its divisors is an integer number (46137150).

Almost surely, 2445020994 is an apocalyptic number.

445020994 is a deficient number, since it is larger than the sum of its proper divisors (293173406).

445020994 is a wasteful number, since it uses less digits than its factorization.

445020994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277185.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 445020994 is about 21095.5207093828. The cubic root of 445020994 is about 763.4726780229.

The spelling of 445020994 in words is "four hundred forty-five million, twenty thousand, nine hundred ninety-four".

Divisors: 1 2 11 22 73 146 803 1606 277099 554198 3048089 6096178 20228227 40456454 222510497 445020994