Search a number
-
+
1427861412 = 223385715427
BaseRepresentation
bin101010100011011…
…0110111110100100
310200111202212122000
41111012312332210
510411013031122
6353404005300
750245423155
oct12506667644
93614685560
101427861412
11672a9945a
1233a230830
13199a85213
14d78c592c
158554a0ac
hex551b6fa4

1427861412 has 48 divisors (see below), whose sum is σ = 3706422720. Its totient is φ = 475367616.

The previous prime is 1427861389. The next prime is 1427861431. The reversal of 1427861412 is 2141687241.

It is a happy number.

1427861412 is a `hidden beast` number, since 1 + 4 + 27 + 8 + 614 + 12 = 666.

It is a super-3 number, since 3×14278614123 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84843 + ... + 100269.

It is an arithmetic number, because the mean of its divisors is an integer number (77217140).

Almost surely, 21427861412 is an apocalyptic number.

1427861412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1427861412 is an abundant number, since it is smaller than the sum of its proper divisors (2278561308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427861412 is a wasteful number, since it uses less digits than its factorization.

1427861412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16297 (or 16289 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 1427861412 is about 37787.0534971966. The cubic root of 1427861412 is about 1126.0612634362.

The spelling of 1427861412 in words is "one billion, four hundred twenty-seven million, eight hundred sixty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 857 1714 2571 3428 5142 7713 10284 15426 15427 23139 30852 30854 46278 46281 61708 92556 92562 138843 185124 277686 416529 555372 833058 1666116 13220939 26441878 39662817 52883756 79325634 118988451 158651268 237976902 356965353 475953804 713930706 1427861412