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445196442 = 23177955249
BaseRepresentation
bin11010100010010…
…010100010011010
31011000201022201010
4122202102202122
51402432241232
6112102034350
714014051545
oct3242224232
91130638633
10445196442
11209335749
121051189b6
1371307462
14431ab85c
15291400cc
hex1a89289a

445196442 has 32 divisors (see below), whose sum is σ = 954720000. Its totient is φ = 137899008.

The previous prime is 445196431. The next prime is 445196443. The reversal of 445196442 is 244691544.

It is a self number, because there is not a number n which added to its sum of digits gives 445196442.

It is not an unprimeable number, because it can be changed into a prime (445196443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19567 + ... + 35682.

It is an arithmetic number, because the mean of its divisors is an integer number (29835000).

Almost surely, 2445196442 is an apocalyptic number.

445196442 is an abundant number, since it is smaller than the sum of its proper divisors (509523558).

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

445196442 is a wasteful number, since it uses less digits than its factorization.

445196442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55350.

The product of its digits is 138240, while the sum is 39.

The square root of 445196442 is about 21099.6787179331. The cubic root of 445196442 is about 763.5729970018.

The spelling of 445196442 in words is "four hundred forty-five million, one hundred ninety-six thousand, four hundred forty-two".

Divisors: 1 2 3 6 17 34 51 79 102 158 237 474 1343 2686 4029 8058 55249 110498 165747 331494 939233 1878466 2817699 4364671 5635398 8729342 13094013 26188026 74199407 148398814 222598221 445196442