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42573930 = 2357202733
BaseRepresentation
bin1010001001101…
…0000001101010
32222002222110020
42202122001222
541344331210
64120301310
71024605150
oct242320152
988088406
1042573930
1122039473
1212311836
138a88299
1459233d0
153b0e770
hex289a06a

42573930 has 32 divisors (see below), whose sum is σ = 116774784. Its totient is φ = 9731136.

The previous prime is 42573911. The next prime is 42573931. The reversal of 42573930 is 3937524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42573891 and 42573900.

It is not an unprimeable number, because it can be changed into a prime (42573931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101157 + ... + 101576.

It is an arithmetic number, because the mean of its divisors is an integer number (3649212).

Almost surely, 242573930 is an apocalyptic number.

42573930 is an abundant number, since it is smaller than the sum of its proper divisors (74200854).

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

42573930 is a wasteful number, since it uses less digits than its factorization.

42573930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202750.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 42573930 is about 6524.8701136498. The cubic root of 42573930 is about 349.1788368144.

The spelling of 42573930 in words is "forty-two million, five hundred seventy-three thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 202733 405466 608199 1013665 1216398 1419131 2027330 2838262 3040995 4257393 6081990 7095655 8514786 14191310 21286965 42573930