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42206208 = 2103111249
BaseRepresentation
bin1010000100000…
…0010000000000
32221102022000220
42201000100000
541301044313
64104343040
71021514112
oct241002000
987368026
1042206208
1121908170
1212174a80
138989ab5
1458693b2
153a8a823
hex2840400

42206208 has 88 divisors (see below), whose sum is σ = 122820000. Its totient is φ = 12779520.

The previous prime is 42206147. The next prime is 42206209. The reversal of 42206208 is 80260224.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (42206209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33168 + ... + 34416.

Almost surely, 242206208 is an apocalyptic number.

42206208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42206208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61410000).

42206208 is an abundant number, since it is smaller than the sum of its proper divisors (80613792).

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

42206208 is a wasteful number, since it uses less digits than its factorization.

42206208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42206208 is about 6496.6305112727. The cubic root of 42206208 is about 348.1706126018.

The spelling of 42206208 in words is "forty-two million, two hundred six thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1024 1056 1249 1408 1536 2112 2498 2816 3072 3747 4224 4996 5632 7494 8448 9992 11264 13739 14988 16896 19984 27478 29976 33792 39968 41217 54956 59952 79936 82434 109912 119904 159872 164868 219824 239808 319744 329736 439648 479616 639488 659472 879296 959232 1278976 1318944 1758592 1918464 2637888 3517184 3836928 5275776 7034368 10551552 14068736 21103104 42206208