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445358228 = 227106914879
BaseRepresentation
bin11010100010111…
…010000010010100
31011001000112122012
4122202322002110
51403002430403
6112105323352
714015324330
oct3242720224
91131015565
10445358228
11209436257
12105196558
1371362ca3
14432107c0
1529172ed8
hex1a8ba094

445358228 has 24 divisors (see below), whose sum is σ = 891609600. Its totient is φ = 190676448.

The previous prime is 445358213. The next prime is 445358237. The reversal of 445358228 is 822853544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22493 + ... + 37371.

It is an arithmetic number, because the mean of its divisors is an integer number (37150400).

Almost surely, 2445358228 is an apocalyptic number.

It is an amenable number.

445358228 is an abundant number, since it is smaller than the sum of its proper divisors (446251372).

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

445358228 is a wasteful number, since it uses less digits than its factorization.

445358228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15959 (or 15957 counting only the distinct ones).

The product of its digits is 307200, while the sum is 41.

The square root of 445358228 is about 21103.5122195335. The cubic root of 445358228 is about 763.6654808643.

The spelling of 445358228 in words is "four hundred forty-five million, three hundred fifty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 1069 2138 4276 7483 14879 14966 29758 29932 59516 104153 208306 416612 15905651 31811302 63622604 111339557 222679114 445358228