Base | Representation |
---|---|
bin | 10010101010011… |
… | …00101110100001 |
3 | 101220120200002211 |
4 | 21111030232201 |
5 | 310034131342 |
6 | 23311242121 |
7 | 3610446052 |
oct | 1125145641 |
9 | 356520084 |
10 | 156552097 |
11 | 804079a9 |
12 | 44519341 |
13 | 265842a0 |
14 | 16b12729 |
15 | db25c17 |
hex | 954cba1 |
156552097 has 4 divisors (see below), whose sum is σ = 168594580. Its totient is φ = 144509616.
The previous prime is 156552073. The next prime is 156552103. The reversal of 156552097 is 790255651.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790255651 = 239 ⋅3306509.
It can be written as a sum of positive squares in 2 ways, for example, as 10601536 + 145950561 = 3256^2 + 12081^2 .
It is a cyclic number.
It is not a de Polignac number, because 156552097 - 211 = 156550049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (156552037) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 6021222 + ... + 6021247.
It is an arithmetic number, because the mean of its divisors is an integer number (42148645).
Almost surely, 2156552097 is an apocalyptic number.
It is an amenable number.
156552097 is a deficient number, since it is larger than the sum of its proper divisors (12042483).
156552097 is a wasteful number, since it uses less digits than its factorization.
156552097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12042482.
The product of its (nonzero) digits is 94500, while the sum is 40.
The square root of 156552097 is about 12512.0780448333. The cubic root of 156552097 is about 538.9555681090.
The spelling of 156552097 in words is "one hundred fifty-six million, five hundred fifty-two thousand, ninety-seven".
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