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1406061 = 32156229
BaseRepresentation
bin101010111010001101101
32122102202100
411113101231
5324443221
650045313
714644206
oct5272155
92572670
101406061
11880438
12579839
133a2cb7
142885ad
151cb926
hex15746d

1406061 has 6 divisors (see below), whose sum is σ = 2030990. Its totient is φ = 937368.

The previous prime is 1406051. The next prime is 1406071. The reversal of 1406061 is 1606041.

It is an interprime number because it is at equal distance from previous prime (1406051) and next prime (1406071).

It can be written as a sum of positive squares in only one way, i.e., 820836 + 585225 = 906^2 + 765^2 .

It is not a de Polignac number, because 1406061 - 26 = 1405997 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 (1406011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78106 + ... + 78123.

21406061 is an apocalyptic number.

It is an amenable number.

1406061 is a deficient number, since it is larger than the sum of its proper divisors (624929).

1406061 is a wasteful number, since it uses less digits than its factorization.

1406061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156235 (or 156232 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1406061 is about 1185.7744304884. The cubic root of 1406061 is about 112.0300992657.

The spelling of 1406061 in words is "one million, four hundred six thousand, sixty-one".

Divisors: 1 3 9 156229 468687 1406061