Search a number
-
+
472141989 = 32114769111
BaseRepresentation
bin11100001001000…
…101000010100101
31012220102022001100
4130021011002211
51431332020424
6114503350313
714462066154
oct3411050245
91186368040
10472141989
1122256a2a0
12112152399
1376a80077
14469c359b
152b6b3dc9
hex1c2450a5

472141989 has 12 divisors (see below), whose sum is σ = 743981472. Its totient is φ = 286146600.

The previous prime is 472141979. The next prime is 472141993. The reversal of 472141989 is 989141274.

It is a happy number.

It is not a de Polignac number, because 472141989 - 29 = 472141477 is a prime.

It is a super-2 number, since 2×4721419892 = 445836115553752242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472141949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2384457 + ... + 2384654.

It is an arithmetic number, because the mean of its divisors is an integer number (61998456).

Almost surely, 2472141989 is an apocalyptic number.

It is an amenable number.

472141989 is a deficient number, since it is larger than the sum of its proper divisors (271839483).

472141989 is a wasteful number, since it uses less digits than its factorization.

472141989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769128 (or 4769125 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 472141989 is about 21728.8285234156. The cubic root of 472141989 is about 778.6773491703.

The spelling of 472141989 in words is "four hundred seventy-two million, one hundred forty-one thousand, nine hundred eighty-nine".

Divisors: 1 3 9 11 33 99 4769111 14307333 42921999 52460221 157380663 472141989