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4244878431 = 32617732019
BaseRepresentation
bin1111110100000011…
…1011010001011111
3101221211111011111200
43331000323101133
532143142102211
61541114250543
7210122604603
oct37500732137
911854434450
104244878431
111889139aa2
129a5726a53
1352858cbb1
142c3a99503
1519c9e6b56
hexfd03b45f

4244878431 has 12 divisors (see below), whose sum is σ = 6232008120. Its totient is φ = 2783526480.

The previous prime is 4244878409. The next prime is 4244878439. The reversal of 4244878431 is 1348784424.

It is not a de Polignac number, because 4244878431 - 29 = 4244877919 is a prime.

It is a super-2 number, since 2×42448784312 = 36037985787938043522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244878439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3865461 + ... + 3866558.

It is an arithmetic number, because the mean of its divisors is an integer number (519334010).

Almost surely, 24244878431 is an apocalyptic number.

4244878431 is a deficient number, since it is larger than the sum of its proper divisors (1987129689).

4244878431 is a wasteful number, since it uses less digits than its factorization.

4244878431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732086 (or 7732083 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 4244878431 is about 65152.7315697508. The cubic root of 4244878431 is about 1619.1549765342.

The spelling of 4244878431 in words is "four billion, two hundred forty-four million, eight hundred seventy-eight thousand, four hundred thirty-one".

Divisors: 1 3 9 61 183 549 7732019 23196057 69588171 471653159 1414959477 4244878431