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1420895 = 5740597
BaseRepresentation
bin101011010111001011111
32200012002202
411122321133
5330432040
650242115
715035360
oct5327137
92605082
101420895
118905a3
1258633b
133a9988
1428db67
151d1015
hex15ae5f

1420895 has 8 divisors (see below), whose sum is σ = 1948704. Its totient is φ = 974304.

The previous prime is 1420891. The next prime is 1420901. The reversal of 1420895 is 5980241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420895 - 22 = 1420891 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 (1420891) 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, 20264 + ... + 20333.

It is an arithmetic number, because the mean of its divisors is an integer number (243588).

21420895 is an apocalyptic number.

1420895 is a deficient number, since it is larger than the sum of its proper divisors (527809).

1420895 is an equidigital number, since it uses as much as digits as its factorization.

1420895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40609.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1420895 is about 1192.0130032848. The cubic root of 1420895 is about 112.4226958640.

The spelling of 1420895 in words is "one million, four hundred twenty thousand, eight hundred ninety-five".

Divisors: 1 5 7 35 40597 202985 284179 1420895