Base | Representation |
---|---|
bin | 10001101111100… |
… | …10010010011111 |
3 | 101101001221100000 |
4 | 20313302102133 |
5 | 301100413011 |
6 | 22434105343 |
7 | 3455063421 |
oct | 1067622237 |
9 | 341057300 |
10 | 148841631 |
11 | 77020a14 |
12 | 41a1b253 |
13 | 24ab4893 |
14 | 15aa6811 |
15 | d101356 |
hex | 8df249f |
148841631 has 24 divisors (see below), whose sum is σ = 226122624. Its totient is φ = 97818840.
The previous prime is 148841629. The next prime is 148841653. The reversal of 148841631 is 136148841.
It is a happy number.
148841631 is a `hidden beast` number, since 14 + 8 + 8 + 4 + 1 + 631 = 666.
148841631 is a nontrivial binomial coefficient, being equal to C(17254, 2).
It is not a de Polignac number, because 148841631 - 21 = 148841629 is a prime.
It is a super-2 number, since 2×1488416312 = 44307662237480322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148841831) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12940 + ... + 21566.
It is an arithmetic number, because the mean of its divisors is an integer number (9421776).
Almost surely, 2148841631 is an apocalyptic number.
148841631 is the 17253-rd triangular number and also the 8627-th hexagonal number.
148841631 is a deficient number, since it is larger than the sum of its proper divisors (77280993).
148841631 is an frugal number, since it uses more digits than its factorization.
148841631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8713 (or 8701 counting only the distinct ones).
The product of its digits is 18432, while the sum is 36.
The square root of 148841631 is about 12200.0668440792. The cubic root of 148841631 is about 529.9580256304.
It can be divided in two parts, 14884163 and 1, that added together give a square (14884164 = 38582).
The spelling of 148841631 in words is "one hundred forty-eight million, eight hundred forty-one thousand, six hundred thirty-one".
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