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2478982923 = 32656341969
BaseRepresentation
bin1001001111000010…
…0100011100001011
320101202122101021100
42103300210130023
520034104423143
61045553112443
7115301002314
oct22360443413
96352571240
102478982923
11106235961a
12592258723
13306781101
1419733d60b
15e79786d3
hex93c2470b

2478982923 has 12 divisors (see below), whose sum is σ = 3581384040. Its totient is φ = 1652364096.

The previous prime is 2478982897. The next prime is 2478982927. The reversal of 2478982923 is 3292898742.

It is a happy number.

2478982923 is a `hidden beast` number, since 2 + 478 + 9 + 82 + 92 + 3 = 666.

It is not a de Polignac number, because 2478982923 - 29 = 2478982411 is a prime.

It is a super-2 number, since 2×24789829232 = 12290712665051247858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478982923.

It is not an unprimeable number, because it can be changed into a prime (2478982927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38083 + ... + 80051.

It is an arithmetic number, because the mean of its divisors is an integer number (298448670).

Almost surely, 22478982923 is an apocalyptic number.

2478982923 is a deficient number, since it is larger than the sum of its proper divisors (1102401117).

2478982923 is a wasteful number, since it uses less digits than its factorization.

2478982923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48538 (or 48535 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 2478982923 is about 49789.3856459386. The cubic root of 2478982923 is about 1353.3948254729.

The spelling of 2478982923 in words is "two billion, four hundred seventy-eight million, nine hundred eighty-two thousand, nine hundred twenty-three".

Divisors: 1 3 9 6563 19689 41969 59067 125907 377721 275442547 826327641 2478982923