Base | Representation |
---|---|
bin | 101001011101000… |
… | …0110010110000000 |
3 | 10120221100012012220 |
4 | 1102322012112000 |
5 | 10322041241143 |
6 | 350005051040 |
7 | 46316660640 |
oct | 12272062600 |
9 | 3527305186 |
10 | 1390962048 |
11 | 654186413 |
12 | 3299b6a80 |
13 | 192235a88 |
14 | d2a3c520 |
15 | 821abd83 |
hex | 52e86580 |
1390962048 has 64 divisors (see below), whose sum is σ = 4222571520. Its totient is φ = 397416960.
The previous prime is 1390962029. The next prime is 1390962059. The reversal of 1390962048 is 8402690931.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 256048 + ... + 261423.
It is an arithmetic number, because the mean of its divisors is an integer number (65977680).
Almost surely, 21390962048 is an apocalyptic number.
It is an amenable number.
1390962048 is an abundant number, since it is smaller than the sum of its proper divisors (2831609472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1390962048 is an equidigital number, since it uses as much as digits as its factorization.
1390962048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517495 (or 517483 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 42.
The square root of 1390962048 is about 37295.6036014971. The cubic root of 1390962048 is about 1116.2764438943.
It can be divided in two parts, 13909 and 62048, that added together give a palindrome (75957).
The spelling of 1390962048 in words is "one billion, three hundred ninety million, nine hundred sixty-two thousand, forty-eight".
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