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3820543748 = 227136447991
BaseRepresentation
bin1110001110111000…
…1101111100000100
3100212021000201202022
43203232031330010
530311024344443
61431035302312
7163451041340
oct34356157404
910767021668
103820543748
11169066307a
128a75aa998
1348b6ab198
1428359c620
15175627e68
hexe3b8df04

3820543748 has 12 divisors (see below), whose sum is σ = 7641087552. Its totient is φ = 1637375880.

The previous prime is 3820543729. The next prime is 3820543751. The reversal of 3820543748 is 8473450283.

3820543748 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3820543699 and 3820543708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68223968 + ... + 68224023.

It is an arithmetic number, because the mean of its divisors is an integer number (636757296).

Almost surely, 23820543748 is an apocalyptic number.

It is an amenable number.

3820543748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3820543748 is a wasteful number, since it uses less digits than its factorization.

3820543748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136448002 (or 136448000 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The square root of 3820543748 is about 61810.5472229457. The cubic root of 3820543748 is about 1563.2978322743.

The spelling of 3820543748 in words is "three billion, eight hundred twenty million, five hundred forty-three thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 14 28 136447991 272895982 545791964 955135937 1910271874 3820543748