Base | Representation |
---|---|
bin | 101100010110000… |
… | …1101111100111110 |
3 | 10211200220112201220 |
4 | 1120230031330332 |
5 | 11021411031434 |
6 | 403352414210 |
7 | 51605451021 |
oct | 13054157476 |
9 | 3750815656 |
10 | 1487986494 |
11 | 6a3a25305 |
12 | 3563a7366 |
13 | 1a93770a7 |
14 | 1018971b8 |
15 | 8a974d49 |
hex | 58b0df3e |
1487986494 has 16 divisors (see below), whose sum is σ = 2993177232. Its totient is φ = 493128128.
The previous prime is 1487986477. The next prime is 1487986519. The reversal of 1487986494 is 4946897841.
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, 715719 + ... + 717794.
It is an arithmetic number, because the mean of its divisors is an integer number (187073577).
Almost surely, 21487986494 is an apocalyptic number.
1487986494 is an abundant number, since it is smaller than the sum of its proper divisors (1505190738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1487986494 is a wasteful number, since it uses less digits than its factorization.
1487986494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1433691.
The product of its digits is 13934592, while the sum is 60.
The square root of 1487986494 is about 38574.4279802047. The cubic root of 1487986494 is about 1141.6500405509.
The spelling of 1487986494 in words is "one billion, four hundred eighty-seven million, nine hundred eighty-six thousand, four hundred ninety-four".
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