Base | Representation |
---|---|
bin | 111010100101… |
… | …1110111111110 |
3 | 2010210201012202 |
4 | 1311023313332 |
5 | 30331010421 |
6 | 3014231502 |
7 | 522053120 |
oct | 165136776 |
9 | 63721182 |
10 | 30719486 |
11 | 16382006 |
12 | a355592 |
13 | 6497615 |
14 | 4119210 |
15 | 2a6c10b |
hex | 1d4bdfe |
30719486 has 16 divisors (see below), whose sum is σ = 53156736. Its totient is φ = 13041816.
The previous prime is 30719477. The next prime is 30719503. The reversal of 30719486 is 68491703.
It is a congruent number.
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, 8756 + ... + 11751.
It is an arithmetic number, because the mean of its divisors is an integer number (3322296).
Almost surely, 230719486 is an apocalyptic number.
30719486 is a deficient number, since it is larger than the sum of its proper divisors (22437250).
30719486 is a wasteful number, since it uses less digits than its factorization.
30719486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20623.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 30719486 is about 5542.5162155830. The cubic root of 30719486 is about 313.1876645459.
The spelling of 30719486 in words is "thirty million, seven hundred nineteen thousand, four hundred eighty-six".
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