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800964145 = 5500931981
BaseRepresentation
bin101111101111011…
…011111000110001
32001211011012020201
4233233123320301
53120021323040
6211251235201
725564040302
oct5757337061
92054135221
10800964145
1138113a243
121a42a8b01
13c9c2c9a7
147853a7a9
154a4b7a9a
hex2fbdbe31

800964145 has 8 divisors (see below), whose sum is σ = 961378920. Its totient is φ = 640623360.

The previous prime is 800964113. The next prime is 800964149. The reversal of 800964145 is 541469008.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1149184 + 799814961 = 1072^2 + 28281^2 .

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

It is not a de Polignac number, because 800964145 - 25 = 800964113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800964149) 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, 9055 + ... + 41035.

It is an arithmetic number, because the mean of its divisors is an integer number (120172365).

Almost surely, 2800964145 is an apocalyptic number.

It is an amenable number.

800964145 is a deficient number, since it is larger than the sum of its proper divisors (160414775).

800964145 is a wasteful number, since it uses less digits than its factorization.

800964145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36995.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 800964145 is about 28301.3099520146. The cubic root of 800964145 is about 928.6905473954.

The spelling of 800964145 in words is "eight hundred million, nine hundred sixty-four thousand, one hundred forty-five".

Divisors: 1 5 5009 25045 31981 159905 160192829 800964145