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3894018950 = 25277880379
BaseRepresentation
bin1110100000011010…
…0000001110000110
3101001101021122210002
43220012200032012
530433332101300
61442222201302
7165332420633
oct35006401606
911041248702
103894018950
111719088088
12908123232
134a0995733
1428d24718a
1517bcdd5d5
hexe81a0386

3894018950 has 12 divisors (see below), whose sum is σ = 7242875340. Its totient is φ = 1557607560.

The previous prime is 3894018923. The next prime is 3894018959. The reversal of 3894018950 is 598104983.

It is a junction number, because it is equal to n+sod(n) for n = 3894018895 and 3894018904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894018959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38940140 + ... + 38940239.

It is an arithmetic number, because the mean of its divisors is an integer number (603572945).

Almost surely, 23894018950 is an apocalyptic number.

3894018950 is a deficient number, since it is larger than the sum of its proper divisors (3348856390).

3894018950 is a wasteful number, since it uses less digits than its factorization.

3894018950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77880391 (or 77880386 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 3894018950 is about 62402.0748853754. The cubic root of 3894018950 is about 1573.2558436511.

The spelling of 3894018950 in words is "three billion, eight hundred ninety-four million, eighteen thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 77880379 155760758 389401895 778803790 1947009475 3894018950