Base | Representation |
---|---|
bin | 10010100010001… |
… | …11000110010001 |
3 | 101211120020002202 |
4 | 21101013012101 |
5 | 304300333330 |
6 | 23232252545 |
7 | 3565363550 |
oct | 1121070621 |
9 | 354506082 |
10 | 155480465 |
11 | 7a845858 |
12 | 440a1155 |
13 | 2629a59a |
14 | 16913d97 |
15 | d9b3445 |
hex | 9447191 |
155480465 has 24 divisors (see below), whose sum is σ = 217972032. Its totient is φ = 104294880.
The previous prime is 155480459. The next prime is 155480509. The reversal of 155480465 is 564084551.
It is a happy number.
It is not a de Polignac number, because 155480465 - 28 = 155480209 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76310 + ... + 78320.
It is an arithmetic number, because the mean of its divisors is an integer number (9082168).
Almost surely, 2155480465 is an apocalyptic number.
It is an amenable number.
155480465 is a deficient number, since it is larger than the sum of its proper divisors (62491567).
155480465 is an equidigital number, since it uses as much as digits as its factorization.
155480465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2117 (or 2070 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 38.
The square root of 155480465 is about 12469.1806065996. The cubic root of 155480465 is about 537.7229967083.
The spelling of 155480465 in words is "one hundred fifty-five million, four hundred eighty thousand, four hundred sixty-five".
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