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42202368 = 2832131409
BaseRepresentation
bin1010000011111…
…1010100000000
32221102002202200
42200333110000
541300433433
64104313200
71021466655
oct240772400
987362680
1042202368
112190529a
1212172800
138988120
145867c2c
153a89613
hex283f500

42202368 has 108 divisors (see below), whose sum is σ = 131132820. Its totient is φ = 12976128.

The previous prime is 42202367. The next prime is 42202379. The reversal of 42202368 is 86320224.

42202368 is a `hidden beast` number, since 422 + 0 + 236 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 39538944 = 1632^2 + 6288^2 .

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42202361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29248 + ... + 30656.

Almost surely, 242202368 is an apocalyptic number.

42202368 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 42202368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65566410).

42202368 is an abundant number, since it is smaller than the sum of its proper divisors (88930452).

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

42202368 is a wasteful number, since it uses less digits than its factorization.

42202368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42202368 is about 6496.3349667332. The cubic root of 42202368 is about 348.1600532097.

The spelling of 42202368 in words is "forty-two million, two hundred two thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 416 468 576 624 768 832 936 1152 1248 1409 1664 1872 2304 2496 2818 3328 3744 4227 4992 5636 7488 8454 9984 11272 12681 14976 16908 18317 22544 25362 29952 33816 36634 45088 50724 54951 67632 73268 90176 101448 109902 135264 146536 164853 180352 202896 219804 270528 293072 329706 360704 405792 439608 541056 586144 659412 811584 879216 1082112 1172288 1318824 1623168 1758432 2344576 2637648 3246336 3516864 4689152 5275296 7033728 10550592 14067456 21101184 42202368