Base | Representation |
---|---|
bin | 1000110100101… |
… | …01110010000110 |
3 | 12011021021212222 |
4 | 10122111302012 |
5 | 122421420310 |
6 | 11202212342 |
7 | 1556051522 |
oct | 432256206 |
9 | 164237788 |
10 | 74013830 |
11 | 38862760 |
12 | 209540b2 |
13 | 12445787 |
14 | 9b88d82 |
15 | 6770055 |
hex | 4695c86 |
74013830 has 32 divisors (see below), whose sum is σ = 145704960. Its totient is φ = 26845920.
The previous prime is 74013817. The next prime is 74013847. The reversal of 74013830 is 3831047.
It is a self number, because there is not a number n which added to its sum of digits gives 74013830.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67547 + ... + 68633.
It is an arithmetic number, because the mean of its divisors is an integer number (4553280).
Almost surely, 274013830 is an apocalyptic number.
74013830 is a deficient number, since it is larger than the sum of its proper divisors (71691130).
74013830 is a wasteful number, since it uses less digits than its factorization.
74013830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1724.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 74013830 is about 8603.1290819097. The cubic root of 74013830 is about 419.8597982531.
Adding to 74013830 its reverse (3831047), we get a palindrome (77844877).
The spelling of 74013830 in words is "seventy-four million, thirteen thousand, eight hundred thirty".
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