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1492013 = 1924133
BaseRepresentation
bin101101100010000101101
32210210122202
411230100231
5340221023
651551245
715452615
oct5542055
92723582
101492013
11929a76
125bb525
13403163
142aba45
151e7128
hex16c42d

1492013 has 6 divisors (see below), whose sum is σ = 1575054. Its totient is φ = 1413144.

The previous prime is 1492009. The next prime is 1492019. The reversal of 1492013 is 3102941.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 104329 = 1178^2 + 323^2 .

It is not a de Polignac number, because 1492013 - 22 = 1492009 is a prime.

It is a super-2 number, since 2×14920132 = 4452205584338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492019) 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, 1706 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (262509).

21492013 is an apocalyptic number.

It is an amenable number.

1492013 is a deficient number, since it is larger than the sum of its proper divisors (83041).

1492013 is an equidigital number, since it uses as much as digits as its factorization.

1492013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171 (or 4152 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1492013 is about 1221.4798401939. The cubic root of 1492013 is about 114.2678885144.

Adding to 1492013 its reverse (3102941), we get a palindrome (4594954).

The spelling of 1492013 in words is "one million, four hundred ninety-two thousand, thirteen".

Divisors: 1 19 361 4133 78527 1492013