| Base | Representation |
|---|---|
| bin | 10011010000111… |
| … | …01110110100100 |
| 3 | 102021002021121120 |
| 4 | 21220131312210 |
| 5 | 312332243410 |
| 6 | 24011413540 |
| 7 | 4001413500 |
| oct | 1150356644 |
| 9 | 367067546 |
| 10 | 161602980 |
| 11 | 83247790 |
| 12 | 461542b0 |
| 13 | 27632286 |
| 14 | 17669300 |
| 15 | e2c2570 |
| hex | 9a1dda4 |
161602980 has 288 divisors, whose sum is σ = 606735360. Its totient is φ = 31691520.
The previous prime is 161602979. The next prime is 161602981. The reversal of 161602980 is 89206161.
161602980 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (161602979) and next prime (161602981).
It is a super-2 number, since 2×1616029802 = 52231046289760800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161602981) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 614329 + ... + 614591.
It is an arithmetic number, because the mean of its divisors is an integer number (2106720).
Almost surely, 2161602980 is an apocalyptic number.
161602980 is a gapful number since it is divisible by the number (10) 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 161602980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303367680).
161602980 is an abundant number, since it is smaller than the sum of its proper divisors (445132380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161602980 is a wasteful number, since it uses less digits than its factorization.
161602980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319 (or 310 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 161602980 is about 12712.3160753657. The cubic root of 161602980 is about 544.6904844113.
The spelling of 161602980 in words is "one hundred sixty-one million, six hundred two thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •