Base | Representation |
---|---|
bin | 10001110110001… |
… | …00100000000010 |
3 | 101102200200102220 |
4 | 20323010200002 |
5 | 301310441113 |
6 | 22504351510 |
7 | 3465310620 |
oct | 1073044002 |
9 | 342620386 |
10 | 149702658 |
11 | 77559906 |
12 | 42175596 |
13 | 25026771 |
14 | 15c4c510 |
15 | d221523 |
hex | 8ec4802 |
149702658 has 48 divisors (see below), whose sum is σ = 353666880. Its totient is φ = 41381280.
The previous prime is 149702639. The next prime is 149702659. The reversal of 149702658 is 856207941.
It is a super-3 number, since 3×1497026583 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (149702659) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38508 + ... + 42216.
It is an arithmetic number, because the mean of its divisors is an integer number (7368060).
Almost surely, 2149702658 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149702658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176833440).
149702658 is an abundant number, since it is smaller than the sum of its proper divisors (203964222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149702658 is a wasteful number, since it uses less digits than its factorization.
149702658 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3783 (or 3752 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 42.
The square root of 149702658 is about 12235.3037559351. The cubic root of 149702658 is about 530.9779712170.
The spelling of 149702658 in words is "one hundred forty-nine million, seven hundred two thousand, six hundred fifty-eight".
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