Base | Representation |
---|---|
bin | 10010101000010… |
… | …11110101001100 |
3 | 101220002011110220 |
4 | 21110023311030 |
5 | 310002130114 |
6 | 23301431340 |
7 | 3605261100 |
oct | 1124136514 |
9 | 356064426 |
10 | 156286284 |
11 | 80246220 |
12 | 4440b550 |
13 | 264c02bb |
14 | 16a83900 |
15 | dac20a9 |
hex | 950bd4c |
156286284 has 144 divisors (see below), whose sum is σ = 470526336. Its totient is φ = 39916800.
The previous prime is 156286279. The next prime is 156286309. The reversal of 156286284 is 482682651.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471999 + ... + 472329.
It is an arithmetic number, because the mean of its divisors is an integer number (3267544).
Almost surely, 2156286284 is an apocalyptic number.
156286284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 156286284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235263168).
156286284 is an abundant number, since it is smaller than the sum of its proper divisors (314240052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156286284 is a wasteful number, since it uses less digits than its factorization.
156286284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 436 (or 427 counting only the distinct ones).
The product of its digits is 184320, while the sum is 42.
The square root of 156286284 is about 12501.4512757519. The cubic root of 156286284 is about 538.6503607523.
It can be divided in two parts, 15628 and 6284, that added together give a palindrome (21912).
The spelling of 156286284 in words is "one hundred fifty-six million, two hundred eighty-six thousand, two hundred eighty-four".
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