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42200512 = 261813643
BaseRepresentation
bin1010000011111…
…0110111000000
32221102000012221
42200332313000
541300404022
64104300424
71021461364
oct240766700
987360187
1042200512
1121903962
1212171714
138987323
1458672a4
153a88cc7
hex283edc0

42200512 has 28 divisors (see below), whose sum is σ = 84227416. Its totient is φ = 20977920.

The previous prime is 42200491. The next prime is 42200519. The reversal of 42200512 is 21500224.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9763 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (3008122).

Almost surely, 242200512 is an apocalyptic number.

It is an amenable number.

42200512 is a deficient number, since it is larger than the sum of its proper divisors (42026904).

42200512 is a wasteful number, since it uses less digits than its factorization.

42200512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 42200512 is about 6496.1921153858. The cubic root of 42200512 is about 348.1549492739.

Adding to 42200512 its reverse (21500224), we get a palindrome (63700736).

The spelling of 42200512 in words is "forty-two million, two hundred thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 181 362 724 1448 2896 3643 5792 7286 11584 14572 29144 58288 116576 233152 659383 1318766 2637532 5275064 10550128 21100256 42200512