Base | Representation |
---|---|
bin | 111010111101010… |
… | …001110100011101 |
3 | 2112221020122011001 |
4 | 322331101310131 |
5 | 4011210023201 |
6 | 242052430301 |
7 | 33340366540 |
oct | 7275216435 |
9 | 2487218131 |
10 | 989142301 |
11 | 468388284 |
12 | 237318391 |
13 | 129c08104 |
14 | 95522857 |
15 | 5bc89301 |
hex | 3af51d1d |
989142301 has 8 divisors (see below), whose sum is σ = 1179598464. Its totient is φ = 810973680.
The previous prime is 989142293. The next prime is 989142379. The reversal of 989142301 is 103241989.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 989142301 - 23 = 989142293 is a prime.
It is a super-3 number, since 3×9891423013 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (989142001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071710 + ... + 3072031.
It is an arithmetic number, because the mean of its divisors is an integer number (147449808).
Almost surely, 2989142301 is an apocalyptic number.
It is an amenable number.
989142301 is a deficient number, since it is larger than the sum of its proper divisors (190456163).
989142301 is a wasteful number, since it uses less digits than its factorization.
989142301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6143771.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 989142301 is about 31450.6327599303. The cubic root of 989142301 is about 996.3675885630.
The spelling of 989142301 in words is "nine hundred eighty-nine million, one hundred forty-two thousand, three hundred one".
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