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445154340 = 22359776487
BaseRepresentation
bin11010100010001…
…000010000100100
31011000122011221210
4122202020100210
51402424414330
6112101111420
714013515031
oct3242102044
91130564853
10445154340
11209307054
121050b8570
13712c1247
144319a388
15291328b0
hex1a888424

445154340 has 48 divisors (see below), whose sum is σ = 1259298432. Its totient is φ = 117482496.

The previous prime is 445154329. The next prime is 445154357. The reversal of 445154340 is 43451544.

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

It is a junction number, because it is equal to n+sod(n) for n = 445154298 and 445154307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32424 + ... + 44063.

It is an arithmetic number, because the mean of its divisors is an integer number (26235384).

Almost surely, 2445154340 is an apocalyptic number.

It is an amenable number.

445154340 is an abundant number, since it is smaller than the sum of its proper divisors (814144092).

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

445154340 is a wasteful number, since it uses less digits than its factorization.

445154340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76596 (or 76594 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 445154340 is about 21098.6810014276. The cubic root of 445154340 is about 763.5489260070.

The spelling of 445154340 in words is "four hundred forty-five million, one hundred fifty-four thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 291 388 485 582 970 1164 1455 1940 2910 5820 76487 152974 229461 305948 382435 458922 764870 917844 1147305 1529740 2294610 4589220 7419239 14838478 22257717 29676956 37096195 44515434 74192390 89030868 111288585 148384780 222577170 445154340