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13999148 = 223499787
BaseRepresentation
bin110101011001…
…110000101100
3222100020012222
4311121300230
512040433043
61220014512
7226663562
oct65316054
928306188
1013999148
1179a1849
124831438
132b91c27
141c05a32
151367d68
hexd59c2c

13999148 has 6 divisors (see below), whose sum is σ = 24498516. Its totient is φ = 6999572.

The previous prime is 13999147. The next prime is 13999159. The reversal of 13999148 is 84199931.

13999148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139991482 = 391952289451808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13999099 and 13999108.

It is not an unprimeable number, because it can be changed into a prime (13999147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749890 + ... + 1749897.

It is an arithmetic number, because the mean of its divisors is an integer number (4083086).

Almost surely, 213999148 is an apocalyptic number.

It is an amenable number.

13999148 is a deficient number, since it is larger than the sum of its proper divisors (10499368).

13999148 is a wasteful number, since it uses less digits than its factorization.

13999148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499791 (or 3499789 counting only the distinct ones).

The product of its digits is 69984, while the sum is 44.

The square root of 13999148 is about 3741.5435317526. The cubic root of 13999148 is about 241.0093371726.

The spelling of 13999148 in words is "thirteen million, nine hundred ninety-nine thousand, one hundred forty-eight".

Divisors: 1 2 4 3499787 6999574 13999148