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42985152 = 2632721523
BaseRepresentation
bin1010001111111…
…0011011000000
32222212212112200
42203332123000
542001011102
64133153200
71031240100
oct243763300
988785480
1042985152
112229a421
121248b800
138ba0502
1459cd200
153b9151c
hex28fe6c0

42985152 has 126 divisors (see below), whose sum is σ = 143419068. Its totient is φ = 12273408.

The previous prime is 42985141. The next prime is 42985169. The reversal of 42985152 is 25158924.

42985152 is a `hidden beast` number, since 429 + 85 + 152 = 666.

42985152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (126).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27463 + ... + 28985.

Almost surely, 242985152 is an apocalyptic number.

42985152 is a gapful number since it is divisible by the number (42) 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 42985152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71709534).

42985152 is an abundant number, since it is smaller than the sum of its proper divisors (100433916).

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

42985152 is a wasteful number, since it uses less digits than its factorization.

42985152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555 (or 1535 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 42985152 is about 6556.3062771655. The cubic root of 42985152 is about 350.2994770132.

The spelling of 42985152 in words is "forty-two million, nine hundred eighty-five thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 144 147 168 192 196 224 252 288 294 336 392 441 448 504 576 588 672 784 882 1008 1176 1344 1523 1568 1764 2016 2352 3046 3136 3528 4032 4569 4704 6092 7056 9138 9408 10661 12184 13707 14112 18276 21322 24368 27414 28224 31983 36552 42644 48736 54828 63966 73104 74627 85288 95949 97472 109656 127932 146208 149254 170576 191898 219312 223881 255864 292416 298508 341152 383796 438624 447762 511728 597016 671643 682304 767592 877248 895524 1023456 1194032 1343286 1535184 1791048 2046912 2388064 2686572 3070368 3582096 4776128 5373144 6140736 7164192 10746288 14328384 21492576 42985152