Base | Representation |
---|---|
bin | 101001011100101… |
… | …0011001000101100 |
3 | 10120220221112111110 |
4 | 1102321103020230 |
5 | 10322013033200 |
6 | 350000352020 |
7 | 46315125300 |
oct | 12271231054 |
9 | 3526845443 |
10 | 1390752300 |
11 | 654052873 |
12 | 329915610 |
13 | 192191472 |
14 | d29c5d00 |
15 | 82169b50 |
hex | 52e5322c |
1390752300 has 216 divisors, whose sum is σ = 4809265104. Its totient is φ = 309173760.
The previous prime is 1390752283. The next prime is 1390752313. The reversal of 1390752300 is 32570931.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 542622 + ... + 545178.
Almost surely, 21390752300 is an apocalyptic number.
1390752300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1390752300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404632552).
1390752300 is an abundant number, since it is smaller than the sum of its proper divisors (3418512804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1390752300 is a wasteful number, since it uses less digits than its factorization.
1390752300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2625 (or 2611 counting only the distinct ones).
The product of its (nonzero) digits is 5670, while the sum is 30.
The square root of 1390752300 is about 37292.7915286587. The cubic root of 1390752300 is about 1116.2203320060.
The spelling of 1390752300 in words is "one billion, three hundred ninety million, seven hundred fifty-two thousand, three hundred".
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