| Base | Representation |
|---|---|
| bin | 10100010011111… |
| … | …101111010011111 |
| 3 | 212202020100102200 |
| 4 | 110103331322133 |
| 5 | 1144214404110 |
| 6 | 53452022543 |
| 7 | 11305366530 |
| oct | 2423757237 |
| 9 | 782210380 |
| 10 | 340778655 |
| 11 | 1653a7058 |
| 12 | 96161a53 |
| 13 | 557a7b99 |
| 14 | 3338a687 |
| 15 | 1edb66c0 |
| hex | 144fde9f |
340778655 has 96 divisors (see below), whose sum is σ = 699578880. Its totient is φ = 150232320.
The previous prime is 340778653. The next prime is 340778657. The reversal of 340778655 is 556877043.
It is an interprime number because it is at equal distance from previous prime (340778653) and next prime (340778657).
It is not a de Polignac number, because 340778655 - 21 = 340778653 is a prime.
It is a super-2 number, since 2×3407786552 = 232260183407218050, which contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
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 340778655.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (340778653) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1882665 + ... + 1882845.
It is an arithmetic number, because the mean of its divisors is an integer number (7287280).
Almost surely, 2340778655 is an apocalyptic number.
340778655 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
340778655 is an abundant number, since it is smaller than the sum of its proper divisors (358800225).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
340778655 is a wasteful number, since it uses less digits than its factorization.
340778655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 381 (or 378 counting only the distinct ones).
The product of its (nonzero) digits is 705600, while the sum is 45.
The square root of 340778655 is about 18460.1910878517. The cubic root of 340778655 is about 698.4856070493.
The spelling of 340778655 in words is "three hundred forty million, seven hundred seventy-eight thousand, six hundred fifty-five".
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