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42513060 = 2235798969
BaseRepresentation
bin1010001000101…
…1001010100100
32221222212221210
42202023022210
541340404220
64115111420
71024232532
oct242131244
987885853
1042513060
1121aa7767
12122a2570
138a66675
145909152
153aeb6e0
hex288b2a4

42513060 has 48 divisors (see below), whose sum is σ = 120556800. Its totient is φ = 11192064.

The previous prime is 42513017. The next prime is 42513067. The reversal of 42513060 is 6031524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42513067) 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, 256 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (2511600).

Almost surely, 242513060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42513060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60278400).

42513060 is an abundant number, since it is smaller than the sum of its proper divisors (78043740).

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

42513060 is a wasteful number, since it uses less digits than its factorization.

42513060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060 (or 9058 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 42513060 is about 6520.2039845391. The cubic root of 42513060 is about 349.0123448369.

Adding to 42513060 its reverse (6031524), we get a palindrome (48544584).

The spelling of 42513060 in words is "forty-two million, five hundred thirteen thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 8969 17938 26907 35876 44845 53814 89690 107628 134535 179380 269070 538140 708551 1417102 2125653 2834204 3542755 4251306 7085510 8502612 10628265 14171020 21256530 42513060