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42204288 = 273722243
BaseRepresentation
bin1010000011111…
…1110010000000
32221102012101210
42200333302000
541301014123
64104330120
71021505400
oct240776200
987365353
1042204288
1121906785
1212173940
138988c69
145868800
153a89e93
hex283fc80

42204288 has 96 divisors (see below), whose sum is σ = 130466160. Its totient is φ = 12052992.

The previous prime is 42204277. The next prime is 42204373. The reversal of 42204288 is 88240224.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17695 + ... + 19937.

Almost surely, 242204288 is an apocalyptic number.

42204288 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 42204288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65233080).

42204288 is an abundant number, since it is smaller than the sum of its proper divisors (88261872).

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

42204288 is a wasteful number, since it uses less digits than its factorization.

42204288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 42204288 is about 6496.4827406836. The cubic root of 42204288 is about 348.1653329858.

The spelling of 42204288 in words is "forty-two million, two hundred four thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 294 336 384 392 448 588 672 784 896 1176 1344 1568 2243 2352 2688 3136 4486 4704 6272 6729 8972 9408 13458 15701 17944 18816 26916 31402 35888 47103 53832 62804 71776 94206 107664 109907 125608 143552 188412 215328 219814 251216 287104 329721 376824 430656 439628 502432 659442 753648 861312 879256 1004864 1318884 1507296 1758512 2009728 2637768 3014592 3517024 5275536 6029184 7034048 10551072 14068096 21102144 42204288