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42307630 = 254230763
BaseRepresentation
bin1010000101100…
…1000000101110
32221121110011021
42201121000232
541312321010
64110444354
71022415601
oct241310056
987543137
1042307630
1121977392
12122036ba
1389c4001
145894338
153aaa8da
hex285902e

42307630 has 8 divisors (see below), whose sum is σ = 76153752. Its totient is φ = 16923048.

The previous prime is 42307609. The next prime is 42307691. The reversal of 42307630 is 3670324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42307595 and 42307604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115372 + ... + 2115391.

It is an arithmetic number, because the mean of its divisors is an integer number (9519219).

Almost surely, 242307630 is an apocalyptic number.

42307630 is a deficient number, since it is larger than the sum of its proper divisors (33846122).

42307630 is a wasteful number, since it uses less digits than its factorization.

42307630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230770.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 42307630 is about 6504.4315662477. The cubic root of 42307630 is about 348.4492754974.

Adding to 42307630 its reverse (3670324), we get a palindrome (45977954).

The spelling of 42307630 in words is "forty-two million, three hundred seven thousand, six hundred thirty".

Divisors: 1 2 5 10 4230763 8461526 21153815 42307630