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780468201 = 3286718689
BaseRepresentation
bin101110100001001…
…111111111101001
32000101120220002200
4232201033333221
53044244440301
6205240050413
725224604332
oct5641177751
92011526080
10780468201
11370610347
12199463a09
13c5904906
1475923289
15487b9c86
hex2e84ffe9

780468201 has 6 divisors (see below), whose sum is σ = 1127342970. Its totient is φ = 520312128.

The previous prime is 780468197. The next prime is 780468277. The reversal of 780468201 is 102864087.

It can be written as a sum of positive squares in only one way, i.e., 751856400 + 28611801 = 27420^2 + 5349^2 .

It is not a de Polignac number, because 780468201 - 22 = 780468197 is a prime.

It is a super-2 number, since 2×7804682012 = 1218261225544352802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (780468701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43359336 + ... + 43359353.

It is an arithmetic number, because the mean of its divisors is an integer number (187890495).

Almost surely, 2780468201 is an apocalyptic number.

It is an amenable number.

780468201 is a deficient number, since it is larger than the sum of its proper divisors (346874769).

780468201 is a wasteful number, since it uses less digits than its factorization.

780468201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86718695 (or 86718692 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 780468201 is about 27936.8609725574. The cubic root of 780468201 is about 920.7005537632.

The spelling of 780468201 in words is "seven hundred eighty million, four hundred sixty-eight thousand, two hundred one".

Divisors: 1 3 9 86718689 260156067 780468201