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2420905494 = 23757640607
BaseRepresentation
bin1001000001001100…
…0001011000010110
320020201100202000110
42100103001120112
514424222433434
61040120223450
7113664233340
oct22023013026
96221322013
102420905494
1110325a1147
1257690ab86
132c7728277
1418d742290
15e28054e9
hex904c1616

2420905494 has 16 divisors (see below), whose sum is σ = 5533498368. Its totient is φ = 691687272.

The previous prime is 2420905481. The next prime is 2420905499. The reversal of 2420905494 is 4945090242.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420905499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28820262 + ... + 28820345.

It is an arithmetic number, because the mean of its divisors is an integer number (345843648).

Almost surely, 22420905494 is an apocalyptic number.

2420905494 is an abundant number, since it is smaller than the sum of its proper divisors (3112592874).

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

2420905494 is a wasteful number, since it uses less digits than its factorization.

2420905494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57640619.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2420905494 is about 49202.6980357785. The cubic root of 2420905494 is about 1342.7421189078.

The spelling of 2420905494 in words is "two billion, four hundred twenty million, nine hundred five thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 57640607 115281214 172921821 345843642 403484249 806968498 1210452747 2420905494