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445354572 = 223132854837
BaseRepresentation
bin11010100010111…
…001001001001100
31011001000100121210
4122202321021030
51403002321242
6112105254420
714015310555
oct3242711114
91131010553
10445354572
11209433533
12105194410
1371361420
144320d32c
1529171d9c
hex1a8b924c

445354572 has 24 divisors (see below), whose sum is σ = 1119096496. Its totient is φ = 137032128.

The previous prime is 445354549. The next prime is 445354573. The reversal of 445354572 is 275453544.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 445354572.

It is not an unprimeable number, because it can be changed into a prime (445354573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427263 + ... + 1427574.

Almost surely, 2445354572 is an apocalyptic number.

It is an amenable number.

445354572 is an abundant number, since it is smaller than the sum of its proper divisors (673741924).

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

445354572 is a wasteful number, since it uses less digits than its factorization.

445354572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854857 (or 2854855 counting only the distinct ones).

The product of its digits is 336000, while the sum is 39.

The square root of 445354572 is about 21103.4255987032. The cubic root of 445354572 is about 763.6633911842.

The spelling of 445354572 in words is "four hundred forty-five million, three hundred fifty-four thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2854837 5709674 8564511 11419348 17129022 34258044 37112881 74225762 111338643 148451524 222677286 445354572