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445480230 = 235133136847
BaseRepresentation
bin11010100011010…
…111110100100110
31011001020201222210
4122203113310212
51403020331410
6112112104250
714016343116
oct3243276446
91131221883
10445480230
11209509988
12105235086
13713a6690
1443243046
1529199220
hex1a8d7d26

445480230 has 64 divisors (see below), whose sum is σ = 1188569088. Its totient is φ = 106116480.

The previous prime is 445480229. The next prime is 445480249. The reversal of 445480230 is 32084544.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6334 + ... + 30513.

It is an arithmetic number, because the mean of its divisors is an integer number (18571392).

Almost surely, 2445480230 is an apocalyptic number.

445480230 is an abundant number, since it is smaller than the sum of its proper divisors (743088858).

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

445480230 is a wasteful number, since it uses less digits than its factorization.

445480230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36901.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 445480230 is about 21106.4025831026. The cubic root of 445480230 is about 763.7352076623.

The spelling of 445480230 in words is "four hundred forty-five million, four hundred eighty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 310 390 403 465 806 930 1209 2015 2418 4030 6045 12090 36847 73694 110541 184235 221082 368470 479011 552705 958022 1105410 1142257 1437033 2284514 2395055 2874066 3426771 4790110 5711285 6853542 7185165 11422570 14370330 14849341 17133855 29698682 34267710 44548023 74246705 89096046 148493410 222740115 445480230