Base | Representation |
---|---|
bin | 11101100111110… |
… | …10100010011000 |
3 | 122022120121101101 |
4 | 32303322202120 |
5 | 1002103141021 |
6 | 40354001144 |
7 | 6105063016 |
oct | 1663724230 |
9 | 568517341 |
10 | 248490136 |
11 | 1182a2354 |
12 | 6b2761b4 |
13 | 3c6343ab |
14 | 250058b6 |
15 | 16c36a91 |
hex | ecfa898 |
248490136 has 32 divisors (see below), whose sum is σ = 478278000. Its totient is φ = 120992256.
The previous prime is 248490133. The next prime is 248490167. The reversal of 248490136 is 631094842.
It is a junction number, because it is equal to n+sod(n) for n = 248490095 and 248490104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248490133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45100 + ... + 50308.
Almost surely, 2248490136 is an apocalyptic number.
It is an amenable number.
248490136 is a deficient number, since it is larger than the sum of its proper divisors (229787864).
248490136 is a wasteful number, since it uses less digits than its factorization.
248490136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5371 (or 5367 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 248490136 is about 15763.5699002478. The cubic root of 248490136 is about 628.6897569638.
The spelling of 248490136 in words is "two hundred forty-eight million, four hundred ninety thousand, one hundred thirty-six".
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