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1455451120 = 24518193139
BaseRepresentation
bin101011011000000…
…0110101111110000
310202102200120121001
41112300012233300
510440043413440
6400231211344
751032062504
oct12660065760
93672616531
101455451120
11687622a72
12347516b54
131a26c50a6
14db428304
1587b99b9a
hex56c06bf0

1455451120 has 20 divisors (see below), whose sum is σ = 3383924040. Its totient is φ = 582180416.

The previous prime is 1455451097. The next prime is 1455451121. The reversal of 1455451120 is 211545541.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455451121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9096490 + ... + 9096649.

It is an arithmetic number, because the mean of its divisors is an integer number (169196202).

Almost surely, 21455451120 is an apocalyptic number.

1455451120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455451120 is an abundant number, since it is smaller than the sum of its proper divisors (1928472920).

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

1455451120 is a wasteful number, since it uses less digits than its factorization.

1455451120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18193152 (or 18193146 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1455451120 is about 38150.3750964522. The cubic root of 1455451120 is about 1133.2677801377.

Adding to 1455451120 its reverse (211545541), we get a palindrome (1666996661).

The spelling of 1455451120 in words is "one billion, four hundred fifty-five million, four hundred fifty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 18193139 36386278 72772556 90965695 145545112 181931390 291090224 363862780 727725560 1455451120