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41680030 = 257678887
BaseRepresentation
bin1001111011111…
…1110010011110
32220102120020211
42132333302132
541132230110
64045203034
71014163060
oct236776236
986376224
1041680030
1121588907
1211b6047a
138834452
14576d730
1539d498a
hex27bfc9e

41680030 has 32 divisors (see below), whose sum is σ = 87031296. Its totient is φ = 14075424.

The previous prime is 41680021. The next prime is 41680033. The reversal of 41680030 is 3008614.

It is a junction number, because it is equal to n+sod(n) for n = 41679983 and 41680010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41680033) 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, 247 + ... + 9133.

It is an arithmetic number, because the mean of its divisors is an integer number (2719728).

Almost surely, 241680030 is an apocalyptic number.

41680030 is an abundant number, since it is smaller than the sum of its proper divisors (45351266).

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

41680030 is a wasteful number, since it uses less digits than its factorization.

41680030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 41680030 is about 6456.0072800455. The cubic root of 41680030 is about 346.7176956851.

Adding to 41680030 its reverse (3008614), we get a palindrome (44688644).

The spelling of 41680030 in words is "forty-one million, six hundred eighty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 469 670 938 2345 4690 8887 17774 44435 62209 88870 124418 311045 595429 622090 1190858 2977145 4168003 5954290 8336006 20840015 41680030