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84420701 is a prime number
BaseRepresentation
bin1010000100000…
…10100001011101
312212212000102122
411002002201131
5133102430301
612213232325
72043364331
oct502024135
9185760378
1084420701
1143720582
12243326a5
131464a5a1
14b2d77c1
15762881b
hex508285d

84420701 has 2 divisors, whose sum is σ = 84420702. Its totient is φ = 84420700.

The previous prime is 84420673. The next prime is 84420731. The reversal of 84420701 is 10702448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52215076 + 32205625 = 7226^2 + 5675^2 .

It is a cyclic number.

It is not a de Polignac number, because 84420701 - 214 = 84404317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84420731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42210350 + 42210351.

It is an arithmetic number, because the mean of its divisors is an integer number (42210351).

Almost surely, 284420701 is an apocalyptic number.

It is an amenable number.

84420701 is a deficient number, since it is larger than the sum of its proper divisors (1).

84420701 is an equidigital number, since it uses as much as digits as its factorization.

84420701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 84420701 is about 9188.0738460245. The cubic root of 84420701 is about 438.6818349040.

The spelling of 84420701 in words is "eighty-four million, four hundred twenty thousand, seven hundred one".