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420620627 = 760088661
BaseRepresentation
bin11001000100100…
…010100101010011
31002022110202000202
4121010202211103
51330134330002
6105423205415
713265134130
oct3104424523
91068422022
10420620627
111a647a559
12b8a4686b
13691b135b
143dc11587
1526dd8502
hex19122953

420620627 has 4 divisors (see below), whose sum is σ = 480709296. Its totient is φ = 360531960.

The previous prime is 420620621. The next prime is 420620633. The reversal of 420620627 is 726026024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (420620621) and next prime (420620633).

It is a cyclic number.

It is not a de Polignac number, because 420620627 - 212 = 420616531 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 420620627.

It is not an unprimeable number, because it can be changed into a prime (420620621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30044324 + ... + 30044337.

It is an arithmetic number, because the mean of its divisors is an integer number (120177324).

Almost surely, 2420620627 is an apocalyptic number.

420620627 is a deficient number, since it is larger than the sum of its proper divisors (60088669).

420620627 is an equidigital number, since it uses as much as digits as its factorization.

420620627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60088668.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 420620627 is about 20509.0376907353. The cubic root of 420620627 is about 749.2559299089.

The spelling of 420620627 in words is "four hundred twenty million, six hundred twenty thousand, six hundred twenty-seven".

Divisors: 1 7 60088661 420620627