Base | Representation |
---|---|
bin | 10010001001010… |
… | …11001110001001 |
3 | 101121102121100021 |
4 | 21010223032021 |
5 | 302432024203 |
6 | 23034340441 |
7 | 3525565462 |
oct | 1104531611 |
9 | 347377307 |
10 | 152220553 |
11 | 78a19611 |
12 | 42b8a721 |
13 | 256c8844 |
14 | 16305d69 |
15 | d56c5bd |
hex | 912b389 |
152220553 has 4 divisors (see below), whose sum is σ = 156334660. Its totient is φ = 148106448.
The previous prime is 152220539. The next prime is 152220581. The reversal of 152220553 is 355022251.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355022251 = 739 ⋅480409.
It can be written as a sum of positive squares in 2 ways, for example, as 129686544 + 22534009 = 11388^2 + 4747^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-152220553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152220503) 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, 2056998 + ... + 2057071.
It is an arithmetic number, because the mean of its divisors is an integer number (39083665).
Almost surely, 2152220553 is an apocalyptic number.
It is an amenable number.
152220553 is a deficient number, since it is larger than the sum of its proper divisors (4114107).
152220553 is an equidigital number, since it uses as much as digits as its factorization.
152220553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4114106.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 152220553 is about 12337.7693688932. The cubic root of 152220553 is about 533.9383295546.
The spelling of 152220553 in words is "one hundred fifty-two million, two hundred twenty thousand, five hundred fifty-three".
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