Base | Representation |
---|---|
bin | 101110001000101… |
… | …000010011000100 |
3 | 1222221102222210200 |
4 | 232020220103010 |
5 | 3041121423043 |
6 | 204445450500 |
7 | 25116004005 |
oct | 5610502304 |
9 | 1887388720 |
10 | 774014148 |
11 | 367a02316 |
12 | 197270a30 |
13 | c448504b |
14 | 74b231ac |
15 | 47e427d3 |
hex | 2e2284c4 |
774014148 has 72 divisors (see below), whose sum is σ = 2082677688. Its totient is φ = 241532928.
The previous prime is 774014141. The next prime is 774014149. The reversal of 774014148 is 841410477.
It can be written as a sum of positive squares in 4 ways, for example, as 78004224 + 696009924 = 8832^2 + 26382^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (774014141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114840 + ... + 121392.
It is an arithmetic number, because the mean of its divisors is an integer number (28926079).
Almost surely, 2774014148 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 774014148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041338844).
774014148 is an abundant number, since it is smaller than the sum of its proper divisors (1308663540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
774014148 is a wasteful number, since it uses less digits than its factorization.
774014148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6773 (or 6768 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 774014148 is about 27821.1097550044. The cubic root of 774014148 is about 918.1556260001.
The spelling of 774014148 in words is "seven hundred seventy-four million, fourteen thousand, one hundred forty-eight".
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