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1425111 = 3475037
BaseRepresentation
bin101011011111011010111
32200101212220
411123323113
5331100421
650313423
715053562
oct5337327
92611786
101425111
11893786
12588873
133ab87c
142914d9
151d23c6
hex15bed7

1425111 has 4 divisors (see below), whose sum is σ = 1900152. Its totient is φ = 950072.

The previous prime is 1425097. The next prime is 1425113. The reversal of 1425111 is 1115241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425111 - 25 = 1425079 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425113) 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, 237516 + ... + 237521.

It is an arithmetic number, because the mean of its divisors is an integer number (475038).

21425111 is an apocalyptic number.

1425111 is a deficient number, since it is larger than the sum of its proper divisors (475041).

1425111 is an equidigital number, since it uses as much as digits as its factorization.

1425111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475040.

The product of its digits is 40, while the sum is 15.

The square root of 1425111 is about 1193.7801305098. The cubic root of 1425111 is about 112.5337775118.

It can be divided in two parts, 142 and 5111, that added together give a triangular number (5253 = T102).

The spelling of 1425111 in words is "one million, four hundred twenty-five thousand, one hundred eleven".

Divisors: 1 3 475037 1425111