Base | Representation |
---|---|
bin | 10010001011011… |
… | …00101100111001 |
3 | 101121221020020220 |
4 | 21011230230321 |
5 | 303014120021 |
6 | 23044210253 |
7 | 3531063435 |
oct | 1105545471 |
9 | 347836226 |
10 | 152488761 |
11 | 79092077 |
12 | 43099989 |
13 | 25790949 |
14 | 163759c5 |
15 | d5c1cc6 |
hex | 916cb39 |
152488761 has 4 divisors (see below), whose sum is σ = 203318352. Its totient is φ = 101659172.
The previous prime is 152488733. The next prime is 152488771. The reversal of 152488761 is 167884251.
152488761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 152488761 - 213 = 152480569 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (152488771) 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, 25414791 + ... + 25414796.
It is an arithmetic number, because the mean of its divisors is an integer number (50829588).
Almost surely, 2152488761 is an apocalyptic number.
It is an amenable number.
152488761 is a deficient number, since it is larger than the sum of its proper divisors (50829591).
152488761 is an equidigital number, since it uses as much as digits as its factorization.
152488761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50829590.
The product of its digits is 107520, while the sum is 42.
The square root of 152488761 is about 12348.6339730352. The cubic root of 152488761 is about 534.2517399371.
The spelling of 152488761 in words is "one hundred fifty-two million, four hundred eighty-eight thousand, seven hundred sixty-one".
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