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445022370 = 233513196673
BaseRepresentation
bin11010100001101…
…000000010100010
31011000101110221000
4122201220002202
51402411203440
6112054212430
714012425212
oct3241500242
91130343830
10445022370
11209226991
12105054116
1371276160
1443164242
1529108730
hex1a8680a2

445022370 has 128 divisors (see below), whose sum is σ = 1345478400. Its totient is φ = 103762944.

The previous prime is 445022359. The next prime is 445022393. The reversal of 445022370 is 73220544.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63354 + ... + 70026.

It is an arithmetic number, because the mean of its divisors is an integer number (10511550).

Almost surely, 2445022370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445022370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672739200).

445022370 is an abundant number, since it is smaller than the sum of its proper divisors (900456030).

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

445022370 is a wasteful number, since it uses less digits than its factorization.

445022370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721 (or 6715 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 445022370 is about 21095.5533229162. The cubic root of 445022370 is about 763.4734649051.

The spelling of 445022370 in words is "four hundred forty-five million, twenty-two thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 13 15 18 19 26 27 30 38 39 45 54 57 65 78 90 95 114 117 130 135 171 190 195 234 247 270 285 342 351 390 494 513 570 585 702 741 855 1026 1170 1235 1482 1710 1755 2223 2470 2565 3510 3705 4446 5130 6669 6673 7410 11115 13338 13346 20019 22230 33345 33365 40038 60057 66690 66730 86749 100095 120114 126787 173498 180171 200190 253574 260247 300285 360342 380361 433745 520494 600570 633935 760722 780741 867490 900855 1141083 1267870 1301235 1561482 1648231 1801710 1901805 2282166 2342223 2602470 3296462 3423249 3803610 3903705 4684446 4944693 5705415 6846498 7807410 8241155 9889386 11410830 11711115 14834079 16482310 17116245 23422230 24723465 29668158 34232490 44502237 49446930 74170395 89004474 148340790 222511185 445022370