Base | Representation |
---|---|
bin | 111001101001001… |
… | …1010101110111000 |
3 | 11222210112221110200 |
4 | 1303102122232320 |
5 | 12430124123203 |
6 | 515532442200 |
7 | 65634332112 |
oct | 16322325670 |
9 | 4883487420 |
10 | 1934207928 |
11 | 9028a0054 |
12 | 45b919360 |
13 | 24a94cc43 |
14 | 144c503b2 |
15 | b4c189a3 |
hex | 7349abb8 |
1934207928 has 48 divisors (see below), whose sum is σ = 5247228480. Its totient is φ = 643659264.
The previous prime is 1934207921. The next prime is 1934207939. The reversal of 1934207928 is 8297024391.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1934207921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21576 + ... + 65832.
It is an arithmetic number, because the mean of its divisors is an integer number (109317260).
Almost surely, 21934207928 is an apocalyptic number.
1934207928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1934207928 is an abundant number, since it is smaller than the sum of its proper divisors (3313020552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1934207928 is a wasteful number, since it uses less digits than its factorization.
1934207928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44876 (or 44869 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 1934207928 is about 43979.6308306470. The cubic root of 1934207928 is about 1245.9512582843.
The spelling of 1934207928 in words is "one billion, nine hundred thirty-four million, two hundred seven thousand, nine hundred twenty-eight".
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