Base | Representation |
---|---|
bin | 10010101011111… |
… | …00010100100101 |
3 | 101220221120112010 |
4 | 21111330110211 |
5 | 310111401140 |
6 | 23315344433 |
7 | 3612220320 |
oct | 1125742445 |
9 | 356846463 |
10 | 156747045 |
11 | 80530414 |
12 | 445b2119 |
13 | 26621c40 |
14 | 16b637b7 |
15 | db63880 |
hex | 957c525 |
156747045 has 32 divisors (see below), whose sum is σ = 308673792. Its totient is φ = 66143232.
The previous prime is 156747029. The next prime is 156747049. The reversal of 156747045 is 540747651.
156747045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 156747045 - 24 = 156747029 is a prime.
It is a super-2 number, since 2×1567470452 = 49139272232464050, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 156746994 and 156747012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (156747049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56052 + ... + 58781.
It is an arithmetic number, because the mean of its divisors is an integer number (9646056).
Almost surely, 2156747045 is an apocalyptic number.
156747045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
156747045 is a deficient number, since it is larger than the sum of its proper divisors (151926747).
156747045 is a wasteful number, since it uses less digits than its factorization.
156747045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114861.
The product of its (nonzero) digits is 117600, while the sum is 39.
The square root of 156747045 is about 12519.8660136601. The cubic root of 156747045 is about 539.1791885093.
The spelling of 156747045 in words is "one hundred fifty-six million, seven hundred forty-seven thousand, forty-five".
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