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42200030 = 2515726879
BaseRepresentation
bin1010000011111…
…0101111011110
32221101222120002
42200332233132
541300400110
64104254302
71021460105
oct240765736
987358502
1042200030
1121903564
1212171392
138987042
14586703c
153a88aa5
hex283ebde

42200030 has 16 divisors (see below), whose sum is σ = 76446720. Its totient is φ = 16771872.

The previous prime is 42200023. The next prime is 42200077. The reversal of 42200030 is 3000224.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42199984 and 42200020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11870 + ... + 15009.

It is an arithmetic number, because the mean of its divisors is an integer number (4777920).

Almost surely, 242200030 is an apocalyptic number.

42200030 is a deficient number, since it is larger than the sum of its proper divisors (34246690).

42200030 is a wasteful number, since it uses less digits than its factorization.

42200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27043.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 42200030 is about 6496.1550166233. The cubic root of 42200030 is about 348.1536237661.

Adding to 42200030 its reverse (3000224), we get a palindrome (45200254).

The spelling of 42200030 in words is "forty-two million, two hundred thousand, thirty".

Divisors: 1 2 5 10 157 314 785 1570 26879 53758 134395 268790 4220003 8440006 21100015 42200030