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2420620028 = 225314976631
BaseRepresentation
bin1001000001000111…
…1011101011111100
320020200211020102122
42100101323223330
514424134320103
61040110142112
7113661634151
oct22021735374
96220736378
102420620028
111032416722
125767b1938
132c7658358
1418d6aa228
15e279ab38
hex9047bafc

2420620028 has 24 divisors (see below), whose sum is σ = 4345034400. Its totient is φ = 1179488960.

The previous prime is 2420620009. The next prime is 2420620039. The reversal of 2420620028 is 8200260242.

It is a junction number, because it is equal to n+sod(n) for n = 2420619979 and 2420620006.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6728 + ... + 69903.

It is an arithmetic number, because the mean of its divisors is an integer number (181043100).

Almost surely, 22420620028 is an apocalyptic number.

It is an amenable number.

2420620028 is a deficient number, since it is larger than the sum of its proper divisors (1924414372).

2420620028 is a wasteful number, since it uses less digits than its factorization.

2420620028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76837 (or 76835 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2420620028 is about 49199.7970321017. The cubic root of 2420620028 is about 1342.6893394430.

The spelling of 2420620028 in words is "two billion, four hundred twenty million, six hundred twenty thousand, twenty-eight".

Divisors: 1 2 4 53 106 149 212 298 596 7897 15794 31588 76631 153262 306524 4061443 8122886 11418019 16245772 22836038 45672076 605155007 1210310014 2420620028