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42360030 = 23351511039
BaseRepresentation
bin1010000110010…
…1110011011110
32221201010001000
42201211303132
541321010110
64111531130
71023024426
oct241456336
987633030
1042360030
1121a02799
1212229aa6
138a11b0b
1458a9486
153abb1c0
hex2865cde

42360030 has 64 divisors (see below), whose sum is σ = 113817600. Its totient is φ = 11210400.

The previous prime is 42360001. The next prime is 42360061. The reversal of 42360030 is 3006324.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42359985 and 42360012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40251 + ... + 41289.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 242360030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42360030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56908800).

42360030 is an abundant number, since it is smaller than the sum of its proper divisors (71457570).

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

42360030 is a wasteful number, since it uses less digits than its factorization.

42360030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42360030 is about 6508.4583428028. The cubic root of 42360030 is about 348.5930731143.

Adding to 42360030 its reverse (3006324), we get a palindrome (45366354).

The spelling of 42360030 in words is "forty-two million, three hundred sixty thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 151 270 302 453 755 906 1039 1359 1510 2078 2265 2718 3117 4077 4530 5195 6234 6795 8154 9351 10390 13590 15585 18702 20385 28053 31170 40770 46755 56106 93510 140265 156889 280530 313778 470667 784445 941334 1412001 1568890 2353335 2824002 4236003 4706670 7060005 8472006 14120010 21180015 42360030