Search a number
-
+
470000001 = 3156666667
BaseRepresentation
bin11100000000111…
…010000110000001
31012202101110210110
4130000322012001
51430310000001
6114345421533
714434635252
oct3400720601
91182343713
10470000001
11221336a59
1211149a8a9
13764b0113
14465c6b29
152b3de3d6
hex1c03a181

470000001 has 4 divisors (see below), whose sum is σ = 626666672. Its totient is φ = 313333332.

The previous prime is 469999997. The next prime is 470000029. The reversal of 470000001 is 100000074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 470000001 - 22 = 469999997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (470000051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78333331 + ... + 78333336.

It is an arithmetic number, because the mean of its divisors is an integer number (156666668).

Almost surely, 2470000001 is an apocalyptic number.

It is an amenable number.

470000001 is a deficient number, since it is larger than the sum of its proper divisors (156666671).

470000001 is a wasteful number, since it uses less digits than its factorization.

470000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156666670.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 470000001 is about 21679.4834117421. The cubic root of 470000001 is about 777.4980102857.

Adding to 470000001 its reverse (100000074), we get a palindrome (570000075).

The spelling of 470000001 in words is "four hundred seventy million, one", and thus it is an aban number.

Divisors: 1 3 156666667 470000001