Base | Representation |
---|---|
bin | 10010001101000… |
… | …10011111101101 |
3 | 101122100102111122 |
4 | 21012202133231 |
5 | 303043142401 |
6 | 23053030325 |
7 | 3533002016 |
oct | 1106423755 |
9 | 348312448 |
10 | 152709101 |
11 | 79222676 |
12 | 431853a5 |
13 | 2583a01c |
14 | 163d200d |
15 | d61721b |
hex | 91a27ed |
152709101 has 4 divisors (see below), whose sum is σ = 156836412. Its totient is φ = 148581792.
The previous prime is 152709049. The next prime is 152709173. The reversal of 152709101 is 101907251.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101907251 = 8573 ⋅11887.
It can be written as a sum of positive squares in 2 ways, for example, as 124300201 + 28408900 = 11149^2 + 5330^2 .
It is a cyclic number.
It is not a de Polignac number, because 152709101 - 214 = 152692717 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152709301) 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, 2063600 + ... + 2063673.
It is an arithmetic number, because the mean of its divisors is an integer number (39209103).
Almost surely, 2152709101 is an apocalyptic number.
It is an amenable number.
152709101 is a deficient number, since it is larger than the sum of its proper divisors (4127311).
152709101 is an equidigital number, since it uses as much as digits as its factorization.
152709101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4127310.
The product of its (nonzero) digits is 630, while the sum is 26.
The square root of 152709101 is about 12357.5523871032. The cubic root of 152709101 is about 534.5089400401.
The spelling of 152709101 in words is "one hundred fifty-two million, seven hundred nine thousand, one hundred one".
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