Base | Representation |
---|---|
bin | 101010110000010101111 |
3 | 2122011211011 |
4 | 11112002233 |
5 | 324313012 |
6 | 50010051 |
7 | 14623366 |
oct | 5260257 |
9 | 2564734 |
10 | 1401007 |
11 | 877663 |
12 | 576927 |
13 | 3a08ca |
14 | 2867dd |
15 | 1ca1a7 |
hex | 1560af |
1401007 has 2 divisors, whose sum is σ = 1401008. Its totient is φ = 1401006.
The previous prime is 1400989. The next prime is 1401017. The reversal of 1401007 is 7001041.
It is a strong prime.
It is an emirp because it is prime and its reverse (7001041) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1401007 - 27 = 1400879 is a prime.
It is a super-2 number, since 2×14010072 = 3925641228098, which contains 22 as substring.
It is a Chen prime.
It is a nialpdrome in base 11.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1401017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700503 + 700504.
It is an arithmetic number, because the mean of its divisors is an integer number (700504).
21401007 is an apocalyptic number.
1401007 is a deficient number, since it is larger than the sum of its proper divisors (1).
1401007 is an equidigital number, since it uses as much as digits as its factorization.
1401007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28, while the sum is 13.
The square root of 1401007 is about 1183.6414152943. The cubic root of 1401007 is about 111.8957096790.
Adding to 1401007 its reverse (7001041), we get a palindrome (8402048).
It can be divided in two parts, 140100 and 7, that multiplied together give a triangular number (980700 = T1400).
The spelling of 1401007 in words is "one million, four hundred one thousand, seven".
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