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42580900 = 22521973307
BaseRepresentation
bin1010001001101…
…1101110100100
32222010100000101
42202123232210
541400042100
64120353444
71024634365
oct242335644
988110011
1042580900
112204372a
1212315884
138a8b4cb
145925b6c
153b1186a
hex289bba4

42580900 has 72 divisors (see below), whose sum is σ = 98917280. Its totient is φ = 15863040.

The previous prime is 42580897. The next prime is 42580913. The reversal of 42580900 is 908524.

It is a happy number.

42580900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 9.

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 23 ways as a sum of consecutive naturals, for example, 138547 + ... + 138853.

Almost surely, 242580900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42580900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49458640).

42580900 is an abundant number, since it is smaller than the sum of its proper divisors (56336380).

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

42580900 is a wasteful number, since it uses less digits than its factorization.

42580900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 42580900 is about 6525.4042020399. The cubic root of 42580900 is about 349.1978910704.

The spelling of 42580900 in words is "forty-two million, five hundred eighty thousand, nine hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 73 76 95 100 146 190 292 307 365 380 475 614 730 950 1228 1387 1460 1535 1825 1900 2774 3070 3650 5548 5833 6140 6935 7300 7675 11666 13870 15350 22411 23332 27740 29165 30700 34675 44822 58330 69350 89644 112055 116660 138700 145825 224110 291650 425809 448220 560275 583300 851618 1120550 1703236 2129045 2241100 4258090 8516180 10645225 21290450 42580900