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575431423 = 782204489
BaseRepresentation
bin100010010011000…
…110001011111111
31111002202221111221
4202103012023333
52134302301143
6133033254211
720155041430
oct4223061377
91432687457
10575431423
112758a8166
12140864367
13922a5b88
14565cd487
15357b82ed
hex224c62ff

575431423 has 4 divisors (see below), whose sum is σ = 657635920. Its totient is φ = 493226928.

The previous prime is 575431403. The next prime is 575431459. The reversal of 575431423 is 324134575.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 575431423 - 213 = 575423231 is a prime.

It is a super-2 number, since 2×5754314232 = 662242645151609858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575431403) 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, 41102238 + ... + 41102251.

It is an arithmetic number, because the mean of its divisors is an integer number (164408980).

Almost surely, 2575431423 is an apocalyptic number.

575431423 is a deficient number, since it is larger than the sum of its proper divisors (82204497).

575431423 is an equidigital number, since it uses as much as digits as its factorization.

575431423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82204496.

The product of its digits is 50400, while the sum is 34.

The square root of 575431423 is about 23988.1517212144. The cubic root of 575431423 is about 831.7596687619.

Adding to 575431423 its reverse (324134575), we get a palindrome (899565998).

The spelling of 575431423 in words is "five hundred seventy-five million, four hundred thirty-one thousand, four hundred twenty-three".

Divisors: 1 7 82204489 575431423