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445306134 = 237133126309
BaseRepresentation
bin11010100010101…
…101010100010110
31011000220220011210
4122202231110112
51402444244014
6112104242250
714015016420
oct3242552426
91130826153
10445306134
112094000a9
12105170386
1371345370
14431d9810
1529162859
hex1a8ad516

445306134 has 64 divisors (see below), whose sum is σ = 1131540480. Its totient is φ = 113650560.

The previous prime is 445306133. The next prime is 445306139. The reversal of 445306134 is 431603544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445306133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3772 + ... + 30080.

It is an arithmetic number, because the mean of its divisors is an integer number (17680320).

Almost surely, 2445306134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445306134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565770240).

445306134 is an abundant number, since it is smaller than the sum of its proper divisors (686234346).

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

445306134 is a wasteful number, since it uses less digits than its factorization.

445306134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26365.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 445306134 is about 21102.2779339104. The cubic root of 445306134 is about 763.6357041300.

Adding to 445306134 its reverse (431603544), we get a palindrome (876909678).

The spelling of 445306134 in words is "four hundred forty-five million, three hundred six thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 13 14 21 26 31 39 42 62 78 91 93 182 186 217 273 403 434 546 651 806 1209 1302 2418 2821 5642 8463 16926 26309 52618 78927 157854 184163 342017 368326 552489 684034 815579 1026051 1104978 1631158 2052102 2394119 2446737 4788238 4893474 5709053 7182357 10602527 11418106 14364714 17127159 21205054 31807581 34254318 63615162 74217689 148435378 222653067 445306134