Search a number
-
+
469888213 = 597964207
BaseRepresentation
bin11100000000011…
…110110011010101
31012202011210110011
4130000132303111
51430242410323
6114343200221
714433661324
oct3400366325
91182153404
10469888213
1122126aa73
12111446071
1376471282
14465980bb
152b3bb20d
hex1c01ecd5

469888213 has 4 divisors (see below), whose sum is σ = 477852480. Its totient is φ = 461923948.

The previous prime is 469888207. The next prime is 469888231. The reversal of 469888213 is 312888964.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-469888213 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469888613) 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, 3982045 + ... + 3982162.

It is an arithmetic number, because the mean of its divisors is an integer number (119463120).

Almost surely, 2469888213 is an apocalyptic number.

It is an amenable number.

469888213 is a deficient number, since it is larger than the sum of its proper divisors (7964267).

469888213 is an equidigital number, since it uses as much as digits as its factorization.

469888213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964266.

The product of its digits is 663552, while the sum is 49.

The square root of 469888213 is about 21676.9050604555. The cubic root of 469888213 is about 777.4363635913.

The spelling of 469888213 in words is "four hundred sixty-nine million, eight hundred eighty-eight thousand, two hundred thirteen".

Divisors: 1 59 7964207 469888213