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4780465 = 51138461
BaseRepresentation
bin10010001111000110110001
322222212120021
4102033012301
52210433330
6250243441
755430134
oct22170661
98885507
104780465
1127756a8
121726581
13cb4ba1
148c621b
1564667a
hex48f1b1

4780465 has 8 divisors (see below), whose sum is σ = 5788008. Its totient is φ = 3790080.

The previous prime is 4780463. The next prime is 4780471. The reversal of 4780465 is 5640874.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 4626801 = 392^2 + 2151^2 .

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

It is not a de Polignac number, because 4780465 - 21 = 4780463 is a prime.

It is a Duffinian number.

4780465 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4780465.

It is not an unprimeable number, because it can be changed into a prime (4780463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3666 + ... + 4795.

It is an arithmetic number, because the mean of its divisors is an integer number (723501).

Almost surely, 24780465 is an apocalyptic number.

It is an amenable number.

4780465 is a deficient number, since it is larger than the sum of its proper divisors (1007543).

4780465 is a wasteful number, since it uses less digits than its factorization.

4780465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 4780465 is about 2186.4274513461. The cubic root of 4780465 is about 168.4573822311.

The spelling of 4780465 in words is "four million, seven hundred eighty thousand, four hundred sixty-five".

Divisors: 1 5 113 565 8461 42305 956093 4780465