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3782707957 = 71093494407
BaseRepresentation
bin1110000101110111…
…1000101011110101
3100202121211110210201
43201131320223311
530221333123312
61423204320501
7162511326040
oct34135705365
910677743721
103782707957
111671270526
128969a3131
134838c1742
1427c54dc57
15172152557
hexe1778af5

3782707957 has 8 divisors (see below), whose sum is σ = 4327058816. Its totient is φ = 3239348112.

The previous prime is 3782707921. The next prime is 3782707963. The reversal of 3782707957 is 7597072873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3782707957 - 215 = 3782675189 is a prime.

It is a super-2 number, since 2×37827079572 = 28617758975902227698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3782707898 and 3782707907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3782707057) 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 7 ways as a sum of consecutive naturals, for example, 239553 + ... + 254854.

It is an arithmetic number, because the mean of its divisors is an integer number (540882352).

Almost surely, 23782707957 is an apocalyptic number.

It is an amenable number.

3782707957 is a deficient number, since it is larger than the sum of its proper divisors (544350859).

3782707957 is a wasteful number, since it uses less digits than its factorization.

3782707957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495507.

The product of its (nonzero) digits is 5186160, while the sum is 55.

The square root of 3782707957 is about 61503.7231149465. The cubic root of 3782707957 is about 1558.1201272313.

The spelling of 3782707957 in words is "three billion, seven hundred eighty-two million, seven hundred seven thousand, nine hundred fifty-seven".

Divisors: 1 7 1093 7651 494407 3460849 540386851 3782707957