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1420941 = 3473647
BaseRepresentation
bin101011010111010001101
32200012011110
411122322031
5330432231
650242233
715035454
oct5327215
92605143
101420941
11890635
12586379
133a99c2
1428db9b
151d1046
hex15ae8d

1420941 has 4 divisors (see below), whose sum is σ = 1894592. Its totient is φ = 947292.

The previous prime is 1420933. The next prime is 1420949. The reversal of 1420941 is 1490241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1490241 = 3496747.

It is an interprime number because it is at equal distance from previous prime (1420933) and next prime (1420949).

It is not a de Polignac number, because 1420941 - 23 = 1420933 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236821 + ... + 236826.

It is an arithmetic number, because the mean of its divisors is an integer number (473648).

21420941 is an apocalyptic number.

It is an amenable number.

1420941 is a deficient number, since it is larger than the sum of its proper divisors (473651).

1420941 is an equidigital number, since it uses as much as digits as its factorization.

1420941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473650.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1420941 is about 1192.0322982201. The cubic root of 1420941 is about 112.4239090402.

The spelling of 1420941 in words is "one million, four hundred twenty thousand, nine hundred forty-one".

Divisors: 1 3 473647 1420941