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42452305 = 571212923
BaseRepresentation
bin1010000111110…
…0010101010001
32221212210121121
42201330111101
541331433210
64113522241
71023560440
oct241742521
987783547
1042452305
1121a66055
1212273381
138a44b0c
1458d0d57
153ad86da
hex287c551

42452305 has 8 divisors (see below), whose sum is σ = 58220352. Its totient is φ = 29110128.

The previous prime is 42452303. The next prime is 42452353. The reversal of 42452305 is 50325424.

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

It is a cyclic number.

It is not a de Polignac number, because 42452305 - 21 = 42452303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42452305.

It is not an unprimeable number, because it can be changed into a prime (42452303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606427 + ... + 606496.

It is an arithmetic number, because the mean of its divisors is an integer number (7277544).

Almost surely, 242452305 is an apocalyptic number.

It is an amenable number.

42452305 is a deficient number, since it is larger than the sum of its proper divisors (15768047).

42452305 is a wasteful number, since it uses less digits than its factorization.

42452305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212935.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42452305 is about 6515.5433388168. The cubic root of 42452305 is about 348.8460088611.

Adding to 42452305 its reverse (50325424), we get a palindrome (92777729).

The spelling of 42452305 in words is "forty-two million, four hundred fifty-two thousand, three hundred five".

Divisors: 1 5 7 35 1212923 6064615 8490461 42452305