Search a number
-
+
472349238 = 2343242577
BaseRepresentation
bin11100001001110…
…111101000110110
31012220210211100020
4130021313220312
51431410133423
6114512030010
714463621324
oct3411675066
91186724306
10472349238
112226a0a79
12112232306
1376b234ba
1446a38d14
152b7054e3
hex1c277a36

472349238 has 24 divisors (see below), whose sum is σ = 967201848. Its totient is φ = 153784512.

The previous prime is 472349231. The next prime is 472349243. The reversal of 472349238 is 832943274.

It is a super-2 number, since 2×4723492382 = 446227605278361288, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 472349238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472349231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10195 + ... + 32382.

It is an arithmetic number, because the mean of its divisors is an integer number (40300077).

Almost surely, 2472349238 is an apocalyptic number.

472349238 is an abundant number, since it is smaller than the sum of its proper divisors (494852610).

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

472349238 is a wasteful number, since it uses less digits than its factorization.

472349238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42668 (or 42625 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 472349238 is about 21733.5969871533. The cubic root of 472349238 is about 778.7912672279.

The spelling of 472349238 in words is "four hundred seventy-two million, three hundred forty-nine thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 43 86 129 258 1849 3698 5547 11094 42577 85154 127731 255462 1830811 3661622 5492433 10984866 78724873 157449746 236174619 472349238