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1420141 = 3161751
BaseRepresentation
bin101011010101101101101
32200011001211
411122231231
5330421031
650234421
715033232
oct5325555
92604054
101420141
1188aa78
12585a11
133a9528
1428d789
151d0bb1
hex15ab6d

1420141 has 8 divisors (see below), whose sum is σ = 1491968. Its totient is φ = 1350000.

The previous prime is 1420123. The next prime is 1420151. The reversal of 1420141 is 1410241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(1420141) divides (1420141-1)5.

It is a cyclic number.

It is not a de Polignac number, because 1420141 - 25 = 1420109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420121) 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, 1516 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (186496).

21420141 is an apocalyptic number.

It is an amenable number.

1420141 is a deficient number, since it is larger than the sum of its proper divisors (71827).

1420141 is an equidigital number, since it uses as much as digits as its factorization.

1420141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1420141 is about 1191.6966895985. The cubic root of 1420141 is about 112.4028065897.

Adding to 1420141 its reverse (1410241), we get a palindrome (2830382).

The spelling of 1420141 in words is "one million, four hundred twenty thousand, one hundred forty-one".

Divisors: 1 31 61 751 1891 23281 45811 1420141