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445070670 = 235112122609
BaseRepresentation
bin11010100001110…
…011110101001110
31011000110221011220
4122201303311032
51402414230140
6112055224210
714013016062
oct3241636516
91130427156
10445070670
1120925a200
12105078066
1371292135
1443177aa2
1529117bd0
hex1a873d4e

445070670 has 48 divisors (see below), whose sum is σ = 1174113360. Its totient is φ = 107895040.

The previous prime is 445070657. The next prime is 445070711. The reversal of 445070670 is 76070544.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57675 + ... + 64934.

It is an arithmetic number, because the mean of its divisors is an integer number (24460695).

Almost surely, 2445070670 is an apocalyptic number.

445070670 is an abundant number, since it is smaller than the sum of its proper divisors (729042690).

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

445070670 is a wasteful number, since it uses less digits than its factorization.

445070670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122641 (or 122630 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 445070670 is about 21096.6980828754. The cubic root of 445070670 is about 763.5010848158.

The spelling of 445070670 in words is "four hundred forty-five million, seventy thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 122609 245218 367827 613045 735654 1226090 1348699 1839135 2697398 3678270 4046097 6743495 8092194 13486990 14835689 20230485 29671378 40460970 44507067 74178445 89014134 148356890 222535335 445070670