Base | Representation |
---|---|
bin | 1000110100111… |
… | …11000101001000 |
3 | 12011100020010102 |
4 | 10122133011020 |
5 | 122424130122 |
6 | 11203104532 |
7 | 1556300534 |
oct | 432370510 |
9 | 164306112 |
10 | 74051912 |
11 | 38889330 |
12 | 20972148 |
13 | 12459bcc |
14 | 9b98bc4 |
15 | 677b492 |
hex | 469f148 |
74051912 has 32 divisors (see below), whose sum is σ = 151800480. Its totient is φ = 33586560.
The previous prime is 74051909. The next prime is 74051921. The reversal of 74051912 is 21915047.
It is a super-4 number, since 4×740519124 (a number of 33 digits) contains 4444 as substring.
It is a plaindrome in base 13.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77228 + ... + 78180.
It is an arithmetic number, because the mean of its divisors is an integer number (4743765).
Almost surely, 274051912 is an apocalyptic number.
It is an amenable number.
74051912 is an abundant number, since it is smaller than the sum of its proper divisors (77748568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74051912 is a wasteful number, since it uses less digits than its factorization.
74051912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1853 (or 1849 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 74051912 is about 8605.3420617661. The cubic root of 74051912 is about 419.9317954251.
Adding to 74051912 its reverse (21915047), we get a palindrome (95966959).
The spelling of 74051912 in words is "seventy-four million, fifty-one thousand, nine hundred twelve".
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