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420702 = 2370117
BaseRepresentation
bin1100110101101011110
3210101002120
41212231132
5101430302
613003410
73401352
oct1465536
9711076
10420702
11268097
12183566
13119649
14ad462
15849bc
hex66b5e

420702 has 8 divisors (see below), whose sum is σ = 841416. Its totient is φ = 140232.

The previous prime is 420691. The next prime is 420731. The reversal of 420702 is 207024.

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

420702 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420702.

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, 35053 + ... + 35064.

It is an arithmetic number, because the mean of its divisors is an integer number (105177).

2420702 is an apocalyptic number.

420702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420702 is a wasteful number, since it uses less digits than its factorization.

420702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70122.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 420702 is about 648.6154484747. The cubic root of 420702 is about 74.9304243653.

Adding to 420702 its reverse (207024), we get a palindrome (627726).

It can be divided in two parts, 4 and 20702, that added together give a triangular number (20706 = T203).

The spelling of 420702 in words is "four hundred twenty thousand, seven hundred two", and thus it is an iban number.

Divisors: 1 2 3 6 70117 140234 210351 420702