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2431000384 = 2637984381
BaseRepresentation
bin1001000011100110…
…0001111101000000
320021102100121121021
42100321201331000
514434314003014
61041120435224
7114146106451
oct22071417500
96242317537
102431000384
11103826662a
1257a178b14
132c9851087
14190c0d128
15e364b624
hex90e61f40

2431000384 has 14 divisors (see below), whose sum is σ = 4824016514. Its totient is φ = 1215500160.

The previous prime is 2431000367. The next prime is 2431000409. The reversal of 2431000384 is 4830001342.

It can be written as a sum of positive squares in only one way, i.e., 1531000384 + 900000000 = 39128^2 + 30000^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18992127 + ... + 18992254.

Almost surely, 22431000384 is an apocalyptic number.

It is an amenable number.

2431000384 is a deficient number, since it is larger than the sum of its proper divisors (2393016130).

2431000384 is an equidigital number, since it uses as much as digits as its factorization.

2431000384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37984393 (or 37984383 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2431000384 is about 49305.1760365988. The cubic root of 2431000384 is about 1344.6058894215.

The spelling of 2431000384 in words is "two billion, four hundred thirty-one million, three hundred eighty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 64 37984381 75968762 151937524 303875048 607750096 1215500192 2431000384