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2420630 = 251729491
BaseRepresentation
bin1001001110111110010110
311112222110222
421032332112
51104430010
6123514342
726401142
oct11167626
94488428
102420630
111403723
129889b2
13669a34
14470222
1532c355
hex24ef96

2420630 has 32 divisors (see below), whose sum is σ = 4782240. Its totient is φ = 878080.

The previous prime is 2420611. The next prime is 2420633. The reversal of 2420630 is 360242.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2420599 and 2420608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4685 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (149445).

22420630 is an apocalyptic number.

2420630 is a deficient number, since it is larger than the sum of its proper divisors (2361610).

2420630 is a wasteful number, since it uses less digits than its factorization.

2420630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2420630 is about 1555.8373951027. The cubic root of 2420630 is about 134.2691183224.

Adding to 2420630 its reverse (360242), we get a palindrome (2780872).

The spelling of 2420630 in words is "two million, four hundred twenty thousand, six hundred thirty".

Divisors: 1 2 5 10 17 29 34 58 85 145 170 290 491 493 982 986 2455 2465 4910 4930 8347 14239 16694 28478 41735 71195 83470 142390 242063 484126 1210315 2420630