Base | Representation |
---|---|
bin | 10001010100111… |
… | …10110110001000 |
3 | 101010111202100221 |
4 | 20222132312020 |
5 | 244202312440 |
6 | 22231235424 |
7 | 3413326642 |
oct | 1052366610 |
9 | 333452327 |
10 | 145354120 |
11 | 7505977a |
12 | 40818b74 |
13 | 24163372 |
14 | 15439892 |
15 | cb62d4a |
hex | 8a9ed88 |
145354120 has 16 divisors (see below), whose sum is σ = 327046860. Its totient is φ = 58141632.
The previous prime is 145354117. The next prime is 145354151. The reversal of 145354120 is 21453541.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 145106116 + 248004 = 12046^2 + 498^2 .
It is a super-2 number, since 2×1453541202 = 42255640401948800, which contains 22 as substring.
It is an unprimeable number.
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, 1816887 + ... + 1816966.
Almost surely, 2145354120 is an apocalyptic number.
145354120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145354120 is an abundant number, since it is smaller than the sum of its proper divisors (181692740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145354120 is a wasteful number, since it uses less digits than its factorization.
145354120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3633864 (or 3633860 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 145354120 is about 12056.2896448285. The cubic root of 145354120 is about 525.7861178457.
The spelling of 145354120 in words is "one hundred forty-five million, three hundred fifty-four thousand, one hundred twenty".
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