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1164880389 = 32631476401
BaseRepresentation
bin100010101101110…
…1010101000000101
310000011221001111010
41011123222220011
54341202133024
6311331232433
740603214511
oct10533525005
93004831433
101164880389
115485a9972
12286148719
1315744914a
14b09cb141
156c3eeb29
hex456eaa05

1164880389 has 8 divisors (see below), whose sum is σ = 1559080512. Its totient is φ = 773633600.

The previous prime is 1164880357. The next prime is 1164880391. The reversal of 1164880389 is 9830884611.

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 1164880389 - 25 = 1164880357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164880309) 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, 737412 + ... + 738989.

It is an arithmetic number, because the mean of its divisors is an integer number (194885064).

Almost surely, 21164880389 is an apocalyptic number.

It is an amenable number.

1164880389 is a deficient number, since it is larger than the sum of its proper divisors (394200123).

1164880389 is a wasteful number, since it uses less digits than its factorization.

1164880389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476667.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1164880389 is about 34130.3441090183. The cubic root of 1164880389 is about 1052.1890503085.

The spelling of 1164880389 in words is "one billion, one hundred sixty-four million, eight hundred eighty thousand, three hundred eighty-nine".

Divisors: 1 3 263 789 1476401 4429203 388293463 1164880389