Base | Representation |
---|---|
bin | 10001101110010… |
… | …10100100111110 |
3 | 101100202200012200 |
4 | 20313022210332 |
5 | 301030211344 |
6 | 22430412330 |
7 | 3453515253 |
oct | 1067124476 |
9 | 340680180 |
10 | 148678974 |
11 | 76a1a794 |
12 | 419610a6 |
13 | 24a58832 |
14 | 15a6342a |
15 | d0bd069 |
hex | 8dca93e |
148678974 has 48 divisors (see below), whose sum is σ = 343783440. Its totient is φ = 46275840.
The previous prime is 148678927. The next prime is 148679017. The reversal of 148678974 is 479876841.
It is a happy number.
148678974 is a `hidden beast` number, since 1 + 486 + 78 + 97 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 148678974.
It is a congruent number.
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, 38232 + ... + 41940.
It is an arithmetic number, because the mean of its divisors is an integer number (7162155).
Almost surely, 2148678974 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148678974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171891720).
148678974 is an abundant number, since it is smaller than the sum of its proper divisors (195104466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148678974 is a wasteful number, since it uses less digits than its factorization.
148678974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3865 (or 3862 counting only the distinct ones).
The product of its digits is 2709504, while the sum is 54.
The square root of 148678974 is about 12193.3987878688. The cubic root of 148678974 is about 529.7649058204.
The spelling of 148678974 in words is "one hundred forty-eight million, six hundred seventy-eight thousand, nine hundred seventy-four".
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