Search a number
-
+
471974142 = 231092712663
BaseRepresentation
bin11100001000011…
…100000011111110
31012220002202210210
4130020130003332
51431311133032
6114500013250
714460466623
oct3410340376
91186082723
10471974142
11222465182
12112091226
1376a21853
144697c34a
152b67e2cc
hex1c21c0fe

471974142 has 32 divisors (see below), whose sum is σ = 956482560. Its totient is φ = 155247840.

The previous prime is 471974137. The next prime is 471974143. The reversal of 471974142 is 241479174.

It is a self number, because there is not a number n which added to its sum of digits gives 471974142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471974143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175903 + ... + 178565.

It is an arithmetic number, because the mean of its divisors is an integer number (29890080).

Almost surely, 2471974142 is an apocalyptic number.

471974142 is an abundant number, since it is smaller than the sum of its proper divisors (484508418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471974142 is a wasteful number, since it uses less digits than its factorization.

471974142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048.

The product of its digits is 56448, while the sum is 39.

The square root of 471974142 is about 21724.9658687879. The cubic root of 471974142 is about 778.5850646804.

The spelling of 471974142 in words is "four hundred seventy-one million, nine hundred seventy-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 109 218 271 327 542 654 813 1626 2663 5326 7989 15978 29539 59078 88617 177234 290267 580534 721673 870801 1443346 1741602 2165019 4330038 78662357 157324714 235987071 471974142