Search a number
-
+
575018972 = 221113068613
BaseRepresentation
bin100010010001100…
…001011111011100
31111001222222201222
4202101201133130
52134201101342
6133020352512
720151403103
oct4221413734
91431888658
10575018972
112756462a0
121406a5738
1392190218
145652303a
1535735ed2
hex224617dc

575018972 has 12 divisors (see below), whose sum is σ = 1097763576. Its totient is φ = 261372240.

The previous prime is 575018971. The next prime is 575018993. The reversal of 575018972 is 279810575.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 13068613 = 575018972 / (5 + 7 + 5 + 0 + 1 + 8 + 9 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575018971) 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, 6534263 + ... + 6534350.

It is an arithmetic number, because the mean of its divisors is an integer number (91480298).

Almost surely, 2575018972 is an apocalyptic number.

It is an amenable number.

575018972 is a deficient number, since it is larger than the sum of its proper divisors (522744604).

575018972 is a wasteful number, since it uses less digits than its factorization.

575018972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13068628 (or 13068626 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 44.

The square root of 575018972 is about 23979.5532068469. The cubic root of 575018972 is about 831.5608949429.

The spelling of 575018972 in words is "five hundred seventy-five million, eighteen thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 22 44 13068613 26137226 52274452 143754743 287509486 575018972