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1328976345 = 3588598423
BaseRepresentation
bin100111100110110…
…1001000111011001
310102121200222211010
41033031221013121
510210204220340
6335512324133
744635053414
oct11715510731
93377628733
101328976345
11622199664
123110a3649
13182442048
14c8704b7b
157ba15b80
hex4f3691d9

1328976345 has 8 divisors (see below), whose sum is σ = 2126362176. Its totient is φ = 708787376.

The previous prime is 1328976307. The next prime is 1328976347. The reversal of 1328976345 is 5436798231.

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

It is a cyclic number.

It is not a de Polignac number, because 1328976345 - 213 = 1328968153 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1328976294 and 1328976303.

It is not an unprimeable number, because it can be changed into a prime (1328976347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44299197 + ... + 44299226.

It is an arithmetic number, because the mean of its divisors is an integer number (265795272).

Almost surely, 21328976345 is an apocalyptic number.

1328976345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1328976345 is a deficient number, since it is larger than the sum of its proper divisors (797385831).

1328976345 is an equidigital number, since it uses as much as digits as its factorization.

1328976345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88598431.

The product of its digits is 1088640, while the sum is 48.

The square root of 1328976345 is about 36455.1278286060. The cubic root of 1328976345 is about 1099.4422365133.

The spelling of 1328976345 in words is "one billion, three hundred twenty-eight million, nine hundred seventy-six thousand, three hundred forty-five".

Divisors: 1 3 5 15 88598423 265795269 442992115 1328976345