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1445245300 = 225247331929
BaseRepresentation
bin101011000100100…
…1011000101110100
310201201111001211201
41112021023011310
510424440322200
6355224342244
750546245102
oct12611130564
93651431751
101445245300
11681892204
12344014984
131a0560945
14d9d2cc72
1586d30c6a
hex5624b174

1445245300 has 72 divisors (see below), whose sum is σ = 3216044160. Its totient is φ = 563481600.

The previous prime is 1445245237. The next prime is 1445245309. The reversal of 1445245300 is 35425441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445245309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1555236 + ... + 1556164.

It is an arithmetic number, because the mean of its divisors is an integer number (44667280).

Almost surely, 21445245300 is an apocalyptic number.

1445245300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445245300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608022080).

1445245300 is an abundant number, since it is smaller than the sum of its proper divisors (1770798860).

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

1445245300 is a wasteful number, since it uses less digits than its factorization.

1445245300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1445245300 is about 38016.3819951347. The cubic root of 1445245300 is about 1130.6126888574.

The spelling of 1445245300 in words is "one billion, four hundred forty-five million, two hundred forty-five thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 188 235 331 470 662 929 940 1175 1324 1655 1858 2350 3310 3716 4645 4700 6620 8275 9290 15557 16550 18580 23225 31114 33100 43663 46450 62228 77785 87326 92900 155570 174652 218315 307499 311140 388925 436630 614998 777850 873260 1091575 1229996 1537495 1555700 2183150 3074990 4366300 6149980 7687475 14452453 15374950 28904906 30749900 57809812 72262265 144524530 289049060 361311325 722622650 1445245300