Base | Representation |
---|---|
bin | 10010000011000… |
… | …00110010011000 |
3 | 101112212110221022 |
4 | 21001200302120 |
5 | 302224011014 |
6 | 23004502012 |
7 | 3515543204 |
oct | 1101406230 |
9 | 345773838 |
10 | 151391384 |
11 | 78502651 |
12 | 4284a908 |
13 | 25498301 |
14 | 1616bb04 |
15 | d456a8e |
hex | 9060c98 |
151391384 has 16 divisors (see below), whose sum is σ = 284331120. Its totient is φ = 75569760.
The previous prime is 151391381. The next prime is 151391389. The reversal of 151391384 is 483193151.
It is a super-3 number, since 3×1513913843 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151391381) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10532 + ... + 20339.
It is an arithmetic number, because the mean of its divisors is an integer number (17770695).
Almost surely, 2151391384 is an apocalyptic number.
It is an amenable number.
151391384 is a deficient number, since it is larger than the sum of its proper divisors (132939736).
151391384 is a wasteful number, since it uses less digits than its factorization.
151391384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31490 (or 31486 counting only the distinct ones).
The product of its digits is 12960, while the sum is 35.
The square root of 151391384 is about 12304.1206105922. The cubic root of 151391384 is about 532.9670822259.
The spelling of 151391384 in words is "one hundred fifty-one million, three hundred ninety-one thousand, three hundred eighty-four".
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