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8381424430 = 253127036853
BaseRepresentation
bin1111100111001001…
…00110001100101110
3210122010010110212001
413303210212030232
5114131121040210
63503403002514
7414461634511
oct76344461456
923563113761
108381424430
113611106255
12175ab0943a
13a3757c752
145971d4d78
15340c4003a
hex1f392632e

8381424430 has 16 divisors (see below), whose sum is σ = 15573227904. Its totient is φ = 3244422240.

The previous prime is 8381424391. The next prime is 8381424431. The reversal of 8381424430 is 344241838.

It is a self number, because there is not a number n which added to its sum of digits gives 8381424430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381424431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13518117 + ... + 13518736.

It is an arithmetic number, because the mean of its divisors is an integer number (973326744).

Almost surely, 28381424430 is an apocalyptic number.

8381424430 is a deficient number, since it is larger than the sum of its proper divisors (7191803474).

8381424430 is a wasteful number, since it uses less digits than its factorization.

8381424430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27036891.

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 8381424430 is about 91550.1197705388. The cubic root of 8381424430 is about 2031.2931838014.

The spelling of 8381424430 in words is "eight billion, three hundred eighty-one million, four hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 27036853 54073706 135184265 270368530 838142443 1676284886 4190712215 8381424430