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42316430 = 25131631997
BaseRepresentation
bin1010000101101…
…1001010001110
32221121220020012
42201123022032
541313111210
64110553222
71022453342
oct241331216
987556205
1042316430
1121982a62
1212208812
1389c8010
145897622
153aad305
hex285b28e

42316430 has 32 divisors (see below), whose sum is σ = 82573344. Its totient is φ = 15520896.

The previous prime is 42316409. The next prime is 42316433. The reversal of 42316430 is 3461324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42316396 and 42316405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42316433) 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, 20192 + ... + 22188.

It is an arithmetic number, because the mean of its divisors is an integer number (2580417).

Almost surely, 242316430 is an apocalyptic number.

42316430 is a deficient number, since it is larger than the sum of its proper divisors (40256914).

42316430 is a wasteful number, since it uses less digits than its factorization.

42316430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 42316430 is about 6505.1079929545. The cubic root of 42316430 is about 348.4734330079.

Adding to 42316430 its reverse (3461324), we get a palindrome (45777754).

The spelling of 42316430 in words is "forty-two million, three hundred sixteen thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 163 326 815 1630 1997 2119 3994 4238 9985 10595 19970 21190 25961 51922 129805 259610 325511 651022 1627555 3255110 4231643 8463286 21158215 42316430