Base | Representation |
---|---|
bin | 101000110110000… |
… | …0100100010011101 |
3 | 10112111211222202010 |
4 | 1101230010202131 |
5 | 10301322214141 |
6 | 343554421433 |
7 | 45651056313 |
oct | 12154044235 |
9 | 3474758663 |
10 | 1370507421 |
11 | 643685568 |
12 | 322b91879 |
13 | 18ac2374a |
14 | d00360b3 |
15 | 804bb416 |
hex | 51b0489d |
1370507421 has 8 divisors (see below), whose sum is σ = 1827780064. Its totient is φ = 913453200.
The previous prime is 1370507407. The next prime is 1370507431. The reversal of 1370507421 is 1247050731.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1370507421 - 25 = 1370507389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1370507431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39355 + ... + 65496.
It is an arithmetic number, because the mean of its divisors is an integer number (228472508).
Almost surely, 21370507421 is an apocalyptic number.
It is an amenable number.
1370507421 is a deficient number, since it is larger than the sum of its proper divisors (457272643).
1370507421 is a wasteful number, since it uses less digits than its factorization.
1370507421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109211.
The product of its (nonzero) digits is 5880, while the sum is 30.
The square root of 1370507421 is about 37020.3649495788. The cubic root of 1370507421 is about 1110.7776443407. Note that the first 3 decimals are identical.
The spelling of 1370507421 in words is "one billion, three hundred seventy million, five hundred seven thousand, four hundred twenty-one".
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