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420085702 = 21549135599
BaseRepresentation
bin11001000010011…
…111111111000110
31002021110120020201
4121002133333012
51330020220302
6105403521114
713260445441
oct3102377706
91067416221
10420085702
111a6144673
12b882919a
1369054a2a
143db12658
1526d2ec87
hex1909ffc6

420085702 has 8 divisors (see below), whose sum is σ = 630540000. Its totient is φ = 209905704.

The previous prime is 420085669. The next prime is 420085709. The reversal of 420085702 is 207580024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420085709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64702 + ... + 70897.

It is an arithmetic number, because the mean of its divisors is an integer number (78817500).

Almost surely, 2420085702 is an apocalyptic number.

420085702 is a deficient number, since it is larger than the sum of its proper divisors (210454298).

420085702 is a wasteful number, since it uses less digits than its factorization.

420085702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137150.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 420085702 is about 20495.9923399673. The cubic root of 420085702 is about 748.9381726657.

The spelling of 420085702 in words is "four hundred twenty million, eighty-five thousand, seven hundred two".

Divisors: 1 2 1549 3098 135599 271198 210042851 420085702