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1145021468 = 22172990503
BaseRepresentation
bin100010000111111…
…1010010000011100
32221210120010011112
41010033322100130
54321111141333
6305341441152
740242344003
oct10417722034
92853503145
101145021468
11538375638
1227b5701b8
131532b4cc6
14ac0dbc3a
156a7ca948
hex443fa41c

1145021468 has 18 divisors (see below), whose sum is σ = 2128593096. Its totient is φ = 538833088.

The previous prime is 1145021467. The next prime is 1145021483. The reversal of 1145021468 is 8641205411.

It is a super-2 number, since 2×11450214682 = 2622148324361750048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145021467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 494096 + ... + 496407.

It is an arithmetic number, because the mean of its divisors is an integer number (118255172).

Almost surely, 21145021468 is an apocalyptic number.

It is an amenable number.

1145021468 is a deficient number, since it is larger than the sum of its proper divisors (983571628).

1145021468 is a wasteful number, since it uses less digits than its factorization.

1145021468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990541 (or 990522 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1145021468 is about 33838.1658486390. The cubic root of 1145021468 is about 1046.1754949046.

Adding to 1145021468 its reverse (8641205411), we get a palindrome (9786226879).

The spelling of 1145021468 in words is "one billion, one hundred forty-five million, twenty-one thousand, four hundred sixty-eight".

Divisors: 1 2 4 17 34 68 289 578 1156 990503 1981006 3962012 16838551 33677102 67354204 286255367 572510734 1145021468