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42733210 = 25131132909
BaseRepresentation
bin1010001100000…
…0111010011010
32222102001221111
42203000322122
541414430320
64123530534
71026140422
oct243007232
988361844
1042733210
1122138103
1212389a4a
138b12930
145965482
153b41a5a
hex28c0e9a

42733210 has 32 divisors (see below), whose sum is σ = 83598480. Its totient is φ = 15633408.

The previous prime is 42733183. The next prime is 42733217. The reversal of 42733210 is 1233724.

It can be written as a sum of positive squares in 8 ways, for example, as 6456681 + 36276529 = 2541^2 + 6023^2 .

It is a super-2 number, since 2×427332102 = 3652254473808200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42733217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13236 + ... + 16144.

Almost surely, 242733210 is an apocalyptic number.

42733210 is a deficient number, since it is larger than the sum of its proper divisors (40865270).

42733210 is a wasteful number, since it uses less digits than its factorization.

42733210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 42733210 is about 6537.0643258270. The cubic root of 42733210 is about 349.6137507748.

Adding to 42733210 its reverse (1233724), we get a palindrome (43966934).

The spelling of 42733210 in words is "forty-two million, seven hundred thirty-three thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 113 130 226 565 1130 1469 2909 2938 5818 7345 14545 14690 29090 37817 75634 189085 328717 378170 657434 1643585 3287170 4273321 8546642 21366605 42733210