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3788428757 = 28511328807
BaseRepresentation
bin1110000111001110…
…1101010111010101
3100210000121010021012
43201303231113111
530224314210012
61423531102005
7162611053541
oct34163552725
910700533235
103788428757
111674518663
128988a1905
13484b45629
1427d1dca21
151728d2622
hexe1ced5d5

3788428757 has 4 divisors (see below), whose sum is σ = 3789760416. Its totient is φ = 3787097100.

The previous prime is 3788428751. The next prime is 3788428807. The reversal of 3788428757 is 7578248873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3788428757 - 210 = 3788427733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3788428696 and 3788428705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3788428751) 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 3 ways as a sum of consecutive naturals, for example, 661553 + ... + 667254.

It is an arithmetic number, because the mean of its divisors is an integer number (947440104).

Almost surely, 23788428757 is an apocalyptic number.

It is an amenable number.

3788428757 is a deficient number, since it is larger than the sum of its proper divisors (1331659).

3788428757 is a wasteful number, since it uses less digits than its factorization.

3788428757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331658.

The product of its digits is 21073920, while the sum is 59.

The square root of 3788428757 is about 61550.2132977620. The cubic root of 3788428757 is about 1558.9052088834.

The spelling of 3788428757 in words is "three billion, seven hundred eighty-eight million, four hundred twenty-eight thousand, seven hundred fifty-seven".

Divisors: 1 2851 1328807 3788428757