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1465976020 = 225449163249
BaseRepresentation
bin101011101100001…
…0000010011010100
310210011111022001011
41113120100103110
511000242213040
6401244542004
751220406365
oct12730202324
93704438034
101465976020
11692561533
1234ab51904
131a493b842
14dc9a7b6c
1588a783ea
hex576104d4

1465976020 has 24 divisors (see below), whose sum is σ = 3085425000. Its totient is φ = 585080832.

The previous prime is 1465976003. The next prime is 1465976021. The reversal of 1465976020 is 206795641.

It can be written as a sum of positive squares in 4 ways, for example, as 507330576 + 958645444 = 22524^2 + 30962^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465976021) 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 7 ways as a sum of consecutive naturals, for example, 72645 + ... + 90604.

It is an arithmetic number, because the mean of its divisors is an integer number (128559375).

Almost surely, 21465976020 is an apocalyptic number.

1465976020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1465976020 is an abundant number, since it is smaller than the sum of its proper divisors (1619448980).

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

1465976020 is a wasteful number, since it uses less digits than its factorization.

1465976020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163707 (or 163705 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1465976020 is about 38288.0662870300. The cubic root of 1465976020 is about 1135.9929132749.

The spelling of 1465976020 in words is "one billion, four hundred sixty-five million, nine hundred seventy-six thousand, twenty".

Divisors: 1 2 4 5 10 20 449 898 1796 2245 4490 8980 163249 326498 652996 816245 1632490 3264980 73298801 146597602 293195204 366494005 732988010 1465976020