Base | Representation |
---|---|
bin | 101110010001001… |
… | …0000101110100101 |
3 | 11000012021102110000 |
4 | 1130202100232211 |
5 | 11134414012120 |
6 | 414015051513 |
7 | 53320623111 |
oct | 13442205645 |
9 | 4005242400 |
10 | 1552485285 |
11 | 72737919a |
12 | 373b10b99 |
13 | 1b983a960 |
14 | 10a286741 |
15 | 91465990 |
hex | 5c890ba5 |
1552485285 has 40 divisors (see below), whose sum is σ = 2997058680. Its totient is φ = 764297856.
The previous prime is 1552485283. The next prime is 1552485289. The reversal of 1552485285 is 5825842551.
1552485285 is a `hidden beast` number, since 1 + 552 + 48 + 52 + 8 + 5 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 35928036 + 1516557249 = 5994^2 + 38943^2 .
It is not a de Polignac number, because 1552485285 - 21 = 1552485283 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 1552485285.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1552485283) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142170 + ... + 152699.
It is an arithmetic number, because the mean of its divisors is an integer number (74926467).
Almost surely, 21552485285 is an apocalyptic number.
1552485285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1552485285 is a deficient number, since it is larger than the sum of its proper divisors (1444573395).
1552485285 is a wasteful number, since it uses less digits than its factorization.
1552485285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294899 (or 294890 counting only the distinct ones).
The product of its digits is 640000, while the sum is 45.
The square root of 1552485285 is about 39401.5898790899. The cubic root of 1552485285 is about 1157.9127360481.
The spelling of 1552485285 in words is "one billion, five hundred fifty-two million, four hundred eighty-five thousand, two hundred eighty-five".
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