Base | Representation |
---|---|
bin | 111010011111000… |
… | …0010100010100011 |
3 | 12001202122021200120 |
4 | 1310332002202203 |
5 | 13004334423022 |
6 | 522421251323 |
7 | 66426204144 |
oct | 16476024243 |
9 | 5052567616 |
10 | 1962420387 |
11 | 91780a534 |
12 | 469263b43 |
13 | 25374a3c5 |
14 | 1488b5acb |
15 | b743cd5c |
hex | 74f828a3 |
1962420387 has 8 divisors (see below), whose sum is σ = 2621210304. Its totient is φ = 1305955368.
The previous prime is 1962420353. The next prime is 1962420409. The reversal of 1962420387 is 7830242691.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1962420387 - 26 = 1962420323 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1962420307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579253 + ... + 582630.
It is an arithmetic number, because the mean of its divisors is an integer number (327651288).
Almost surely, 21962420387 is an apocalyptic number.
1962420387 is a deficient number, since it is larger than the sum of its proper divisors (658789917).
1962420387 is a wasteful number, since it uses less digits than its factorization.
1962420387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1162449.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 1962420387 is about 44299.2142932581. The cubic root of 1962420387 is about 1251.9798783032.
The spelling of 1962420387 in words is "one billion, nine hundred sixty-two million, four hundred twenty thousand, three hundred eighty-seven".
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