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2573832906 = 232142990717
BaseRepresentation
bin1001100101101001…
…1001001011001010
320122101010020222200
42121122121023022
520232400123111
61103222101030
7120532135011
oct23132311312
96571106880
102573832906
111100952837
125b9b7a776
13320310768
141a5b8da78
15100e62256
hex996992ca

2573832906 has 12 divisors (see below), whose sum is σ = 5576638002. Its totient is φ = 857944296.

The previous prime is 2573832883. The next prime is 2573832949. The reversal of 2573832906 is 6092383752.

It can be written as a sum of positive squares in only one way, i.e., 1663905681 + 909927225 = 40791^2 + 30165^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71495341 + ... + 71495376.

Almost surely, 22573832906 is an apocalyptic number.

2573832906 is an abundant number, since it is smaller than the sum of its proper divisors (3002805096).

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

2573832906 is a wasteful number, since it uses less digits than its factorization.

2573832906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142990725 (or 142990722 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 2573832906 is about 50732.9568032458. The cubic root of 2573832906 is about 1370.4402843678.

The spelling of 2573832906 in words is "two billion, five hundred seventy-three million, eight hundred thirty-two thousand, nine hundred six".

Divisors: 1 2 3 6 9 18 142990717 285981434 428972151 857944302 1286916453 2573832906