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1445090712 = 2331317272453
BaseRepresentation
bin101011000100010…
…0101010110011000
310201201012012210020
41112020211112120
510424420400322
6355221150440
750545032312
oct12610452630
93651165706
101445090712
1168179704a
12343b5b420
131a0508480
14d9ccc7b2
1586d0005c
hex56225598

1445090712 has 64 divisors (see below), whose sum is σ = 4119504480. Its totient is φ = 418486272.

The previous prime is 1445090641. The next prime is 1445090741. The reversal of 1445090712 is 2170905441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130923 + ... + 141530.

Almost surely, 21445090712 is an apocalyptic number.

1445090712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445090712 is an abundant number, since it is smaller than the sum of its proper divisors (2674413768).

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

1445090712 is a wasteful number, since it uses less digits than its factorization.

1445090712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272492 (or 272488 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1445090712 is about 38014.3487646441. The cubic root of 1445090712 is about 1130.5723761191.

The spelling of 1445090712 in words is "one billion, four hundred forty-five million, ninety thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 312 408 442 663 884 1326 1768 2652 5304 272453 544906 817359 1089812 1634718 2179624 3269436 3541889 4631701 6538872 7083778 9263402 10625667 13895103 14167556 18526804 21251334 27790206 28335112 37053608 42502668 55580412 60212113 85005336 111160824 120424226 180636339 240848452 361272678 481696904 722545356 1445090712