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42030474 = 2327125849
BaseRepresentation
bin1010000001010…
…1010110001010
32221002100222020
42200111112022
541224433344
64100505310
71020152553
oct240252612
987070866
1042030474
11217a8132
12120ab236
138927b05
14582132a
153a53719
hex281558a

42030474 has 16 divisors (see below), whose sum is σ = 84374400. Its totient is φ = 13957920.

The previous prime is 42030473. The next prime is 42030481. The reversal of 42030474 is 47403024.

It is not an unprimeable number, because it can be changed into a prime (42030473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11299 + ... + 14550.

It is an arithmetic number, because the mean of its divisors is an integer number (5273400).

Almost surely, 242030474 is an apocalyptic number.

42030474 is an abundant number, since it is smaller than the sum of its proper divisors (42343926).

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

42030474 is a wasteful number, since it uses less digits than its factorization.

42030474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26125.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42030474 is about 6483.0913922295. The cubic root of 42030474 is about 347.6867143511.

Adding to 42030474 its reverse (47403024), we get a palindrome (89433498).

The spelling of 42030474 in words is "forty-two million, thirty thousand, four hundred seventy-four".

Divisors: 1 2 3 6 271 542 813 1626 25849 51698 77547 155094 7005079 14010158 21015237 42030474