| Base | Representation |
|---|---|
| bin | 110000000101010… |
| … | …1010100000000000 |
| 3 | 11011102220122001100 |
| 4 | 1200022222200000 |
| 5 | 11301013031011 |
| 6 | 424032534400 |
| 7 | 54660513105 |
| oct | 14012524000 |
| 9 | 4142818040 |
| 10 | 1613408256 |
| 11 | 7587aa559 |
| 12 | 3903b1400 |
| 13 | 1c934ba55 |
| 14 | 1143c4aac |
| 15 | 9699bd56 |
| hex | 602aa800 |
1613408256 has 288 divisors, whose sum is σ = 5212771200. Its totient is φ = 477757440.
The previous prime is 1613408249. The next prime is 1613408263. The reversal of 1613408256 is 6528043161.
It is a happy number.
1613408256 is a `hidden beast` number, since 1 + 61 + 340 + 8 + 256 = 666.
It is an interprime number because it is at equal distance from previous prime (1613408249) and next prime (1613408263).
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 1613408256.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5953401 + ... + 5953671.
It is an arithmetic number, because the mean of its divisors is an integer number (18099900).
Almost surely, 21613408256 is an apocalyptic number.
1613408256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1613408256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606385600).
1613408256 is an abundant number, since it is smaller than the sum of its proper divisors (3599362944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1613408256 is a wasteful number, since it uses less digits than its factorization.
1613408256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335 (or 312 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 1613408256 is about 40167.2535282162. The cubic root of 1613408256 is about 1172.8651759492.
The spelling of 1613408256 in words is "one billion, six hundred thirteen million, four hundred eight thousand, two hundred fifty-six".
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