Search a number
-
+
1445090612 = 22751610379
BaseRepresentation
bin101011000100010…
…0101010100110100
310201201012012122112
41112020211110310
510424420344422
6355221150152
750545032110
oct12610452464
93651165575
101445090612
11681796a69
12343b5b358
131a0508404
14d9ccc740
1586ceeee2
hex56225534

1445090612 has 12 divisors (see below), whose sum is σ = 2890181280. Its totient is φ = 619324536.

The previous prime is 1445090609. The next prime is 1445090617. The reversal of 1445090612 is 2160905441.

1445090612 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445090617) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25805162 + ... + 25805217.

It is an arithmetic number, because the mean of its divisors is an integer number (240848440).

Almost surely, 21445090612 is an apocalyptic number.

It is an amenable number.

1445090612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1445090612 is a wasteful number, since it uses less digits than its factorization.

1445090612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51610390 (or 51610388 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1445090612 is about 38014.3474493513. The cubic root of 1445090612 is about 1130.5723500407.

The spelling of 1445090612 in words is "one billion, four hundred forty-five million, ninety thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 51610379 103220758 206441516 361272653 722545306 1445090612