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3948833831 = 17823282241
BaseRepresentation
bin1110101101011110…
…0110110000100111
3101012012102112122212
43223113212300213
531041400140311
61451501114035
7166566351035
oct35327466047
911165375585
103948833831
111747017338
1292255891b
134ac148587
14296635555
15181a19c8b
hexeb5e6c27

3948833831 has 8 divisors (see below), whose sum is σ = 4186213344. Its totient is φ = 3712020480.

The previous prime is 3948833809. The next prime is 3948833869. The reversal of 3948833831 is 1383388493.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3948833831 - 222 = 3944639527 is a prime.

It is a super-2 number, since 2×39488338312 = 31186577249700273122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3948833831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948833891) 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, 127130 + ... + 155111.

It is an arithmetic number, because the mean of its divisors is an integer number (523276668).

Almost surely, 23948833831 is an apocalyptic number.

3948833831 is a deficient number, since it is larger than the sum of its proper divisors (237379513).

3948833831 is a wasteful number, since it uses less digits than its factorization.

3948833831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283081.

The product of its digits is 1492992, while the sum is 50.

The square root of 3948833831 is about 62839.7472225979. The cubic root of 3948833831 is about 1580.6035496622.

The spelling of 3948833831 in words is "three billion, nine hundred forty-eight million, eight hundred thirty-three thousand, eight hundred thirty-one".

Divisors: 1 17 823 13991 282241 4798097 232284343 3948833831