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1456631345 = 51338358511
BaseRepresentation
bin101011011010010…
…0110111000110001
310202111220112120002
41112310212320301
510440344200340
6400312355345
751045106421
oct12664467061
93674815502
101456631345
11688259764
123479a5b55
131a2a19350
14db654481
1587d2e715
hex56d26e31

1456631345 has 16 divisors (see below), whose sum is σ = 1887363072. Its totient is φ = 1072839360.

The previous prime is 1456631311. The next prime is 1456631411. The reversal of 1456631345 is 5431366541.

It is not a de Polignac number, because 1456631345 - 210 = 1456630321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1456631299 and 1456631308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4361 + ... + 54150.

It is an arithmetic number, because the mean of its divisors is an integer number (117960192).

Almost surely, 21456631345 is an apocalyptic number.

It is an amenable number.

1456631345 is a deficient number, since it is larger than the sum of its proper divisors (430731727).

1456631345 is a wasteful number, since it uses less digits than its factorization.

1456631345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58912.

The product of its digits is 129600, while the sum is 38.

The square root of 1456631345 is about 38165.8400274381. The cubic root of 1456631345 is about 1133.5740195758.

Adding to 1456631345 its reverse (5431366541), we get a palindrome (6887997886).

The spelling of 1456631345 in words is "one billion, four hundred fifty-six million, six hundred thirty-one thousand, three hundred forty-five".

Divisors: 1 5 13 65 383 1915 4979 24895 58511 292555 760643 3803215 22409713 112048565 291326269 1456631345