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1420115323 = 11139928787
BaseRepresentation
bin101010010100101…
…0011110101111011
310122222012022222211
41110221103311323
510402022142243
6352525555551
750122531624
oct12451236573
93588168884
101420115323
11669688730
12337715bb7
131982a2533
14d686aa4b
1584a19d9d
hex54a53d7b

1420115323 has 8 divisors (see below), whose sum is σ = 1560363840. Its totient is φ = 1281724680.

The previous prime is 1420115311. The next prime is 1420115339. The reversal of 1420115323 is 3235110241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1420115323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420115294 and 1420115303.

It is not an unprimeable number, because it can be changed into a prime (1420115353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462865 + ... + 465922.

It is an arithmetic number, because the mean of its divisors is an integer number (195045480).

Almost surely, 21420115323 is an apocalyptic number.

1420115323 is a deficient number, since it is larger than the sum of its proper divisors (140248517).

1420115323 is a wasteful number, since it uses less digits than its factorization.

1420115323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928937.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1420115323 is about 37684.4175090978. The cubic root of 1420115323 is about 1124.0212914897.

Adding to 1420115323 its reverse (3235110241), we get a palindrome (4655225564).

The spelling of 1420115323 in words is "one billion, four hundred twenty million, one hundred fifteen thousand, three hundred twenty-three".

Divisors: 1 11 139 1529 928787 10216657 129101393 1420115323