Search a number
-
+
574385421 = 3191461807
BaseRepresentation
bin100010001111000…
…110110100001101
31111000210210200010
4202033012310031
52134020313141
6132555023433
720143124031
oct4217066415
91430723603
10574385421
112752532a5
1214043ab79
1391ccaa3c
14563da1c1
153565d416
hex223c6d0d

574385421 has 4 divisors (see below), whose sum is σ = 765847232. Its totient is φ = 382923612.

The previous prime is 574385401. The next prime is 574385423. The reversal of 574385421 is 124583475.

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 574385421 - 210 = 574384397 is a prime.

It is a super-2 number, since 2×5743854212 = 659837223714694482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 574385421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (574385423) 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, 95730901 + ... + 95730906.

It is an arithmetic number, because the mean of its divisors is an integer number (191461808).

Almost surely, 2574385421 is an apocalyptic number.

It is an amenable number.

574385421 is a deficient number, since it is larger than the sum of its proper divisors (191461811).

574385421 is a wasteful number, since it uses less digits than its factorization.

574385421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191461810.

The product of its digits is 134400, while the sum is 39.

The square root of 574385421 is about 23966.3393324888. The cubic root of 574385421 is about 831.2553804766.

The spelling of 574385421 in words is "five hundred seventy-four million, three hundred eighty-five thousand, four hundred twenty-one".

Divisors: 1 3 191461807 574385421