Base | Representation |
---|---|
bin | 110101000101101… |
… | …011001101011001 |
3 | 2022001222020110211 |
4 | 311011223031121 |
5 | 3311003231103 |
6 | 224214211121 |
7 | 31033441066 |
oct | 6505531531 |
9 | 2261866424 |
10 | 890680153 |
11 | 417847200 |
12 | 20a353aa1 |
13 | 1126b259c |
14 | 86411c6d |
15 | 532da36d |
hex | 3516b359 |
890680153 has 6 divisors (see below), whose sum is σ = 979012202. Its totient is φ = 809709120.
The previous prime is 890680123. The next prime is 890680171. The reversal of 890680153 is 351086098.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 683665609 + 207014544 = 26147^2 + 14388^2 .
It is not a de Polignac number, because 890680153 - 29 = 890679641 is a prime.
It is a super-2 number, since 2×8906801532 = 1586622269896206818, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (890680123) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3680376 + ... + 3680617.
Almost surely, 2890680153 is an apocalyptic number.
It is an amenable number.
890680153 is a deficient number, since it is larger than the sum of its proper divisors (88332049).
890680153 is a wasteful number, since it uses less digits than its factorization.
890680153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7361015 (or 7361004 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 890680153 is about 29844.2649934623. The cubic root of 890680153 is about 962.1451426556.
The spelling of 890680153 in words is "eight hundred ninety million, six hundred eighty thousand, one hundred fifty-three".
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