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42706230 = 2357203363
BaseRepresentation
bin1010001011101…
…0010100110110
32222100200221020
42202322110312
541413044410
64123202010
71025665650
oct242722466
988320836
1042706230
1122119906
1212376306
138b03578
1459596d0
153b38a70
hex28ba536

42706230 has 32 divisors (see below), whose sum is σ = 117137664. Its totient is φ = 9761376.

The previous prime is 42706219. The next prime is 42706249. The reversal of 42706230 is 3260724.

42706230 = 32662 + 32672 + ... + 32692.

42706230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42706230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101472 + ... + 101891.

It is an arithmetic number, because the mean of its divisors is an integer number (3660552).

Almost surely, 242706230 is an apocalyptic number.

42706230 is an abundant number, since it is smaller than the sum of its proper divisors (74431434).

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

42706230 is a wasteful number, since it uses less digits than its factorization.

42706230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203380.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 42706230 is about 6535.0003825555. Note that the first 3 decimals coincide. The cubic root of 42706230 is about 349.5401580132.

Adding to 42706230 its reverse (3260724), we get a palindrome (45966954).

The spelling of 42706230 in words is "forty-two million, seven hundred six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 203363 406726 610089 1016815 1220178 1423541 2033630 2847082 3050445 4270623 6100890 7117705 8541246 14235410 21353115 42706230