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1445400512 = 26831072543
BaseRepresentation
bin101011000100111…
…0000111111000000
310201201202221202022
41112021300333000
510430010304022
6355231541012
750550462443
oct12611607700
93651687668
101445400512
11681988886
1234408a768
131a05b649a
14d9d6d65a
1586d61c42
hex56270fc0

1445400512 has 56 divisors (see below), whose sum is σ = 2931054336. Its totient is φ = 707042048.

The previous prime is 1445400497. The next prime is 1445400521. The reversal of 1445400512 is 2150045441.

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, 567113 + ... + 569655.

It is an arithmetic number, because the mean of its divisors is an integer number (52340256).

Almost surely, 21445400512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445400512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465527168).

1445400512 is an abundant number, since it is smaller than the sum of its proper divisors (1485653824).

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

1445400512 is a wasteful number, since it uses less digits than its factorization.

1445400512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1445400512 is about 38018.4233234362. The cubic root of 1445400512 is about 1130.6531614274.

Adding to 1445400512 its reverse (2150045441), we get a palindrome (3595445953).

The spelling of 1445400512 in words is "one billion, four hundred forty-five million, four hundred thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 83 107 166 214 332 428 664 856 1328 1712 2543 2656 3424 5086 5312 6848 8881 10172 17762 20344 35524 40688 71048 81376 142096 162752 211069 272101 284192 422138 544202 568384 844276 1088404 1688552 2176808 3377104 4353616 6754208 8707232 13508416 17414464 22584383 45168766 90337532 180675064 361350128 722700256 1445400512