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42310030 = 2572791093
BaseRepresentation
bin1010000101100…
…1100110001110
32221121120110011
42201121212032
541312410110
64110503434
71022425600
oct241314616
987546404
1042310030
1121979174
1212204b7a
1389c5129
145895170
153aab48a
hex285998e

42310030 has 48 divisors (see below), whose sum is σ = 89795520. Its totient is φ = 14309568.

The previous prime is 42310019. The next prime is 42310061. The reversal of 42310030 is 3001324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38164 + ... + 39256.

It is an arithmetic number, because the mean of its divisors is an integer number (1870740).

Almost surely, 242310030 is an apocalyptic number.

42310030 is an abundant number, since it is smaller than the sum of its proper divisors (47485490).

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

42310030 is a wasteful number, since it uses less digits than its factorization.

42310030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 42310030 is about 6504.6160532348. The cubic root of 42310030 is about 348.4558642415.

Adding to 42310030 its reverse (3001324), we get a palindrome (45311354).

The spelling of 42310030 in words is "forty-two million, three hundred ten thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 79 98 158 245 395 490 553 790 1093 1106 2186 2765 3871 5465 5530 7651 7742 10930 15302 19355 38255 38710 53557 76510 86347 107114 172694 267785 431735 535570 604429 863470 1208858 3022145 4231003 6044290 8462006 21155015 42310030