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1204413 = 3783691
BaseRepresentation
bin100100110000010111101
32021012010220
410212002331
5302020123
641451553
713144260
oct4460275
92235126
101204413
11752991
124a0bb9
13332292
14234cd7
1518bce3
hex1260bd

1204413 has 16 divisors (see below), whose sum is σ = 1860096. Its totient is φ = 678960.

The previous prime is 1204409. The next prime is 1204421. The reversal of 1204413 is 3144021.

It is not a de Polignac number, because 1204413 - 22 = 1204409 is a prime.

It is a super-2 number, since 2×12044132 = 2901221349138, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1204392 and 1204401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (116256).

21204413 is an apocalyptic number.

It is an amenable number.

1204413 is a deficient number, since it is larger than the sum of its proper divisors (655683).

1204413 is an equidigital number, since it uses as much as digits as its factorization.

1204413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1204413 is about 1097.4575162620. The cubic root of 1204413 is about 106.3959617911.

Adding to 1204413 its reverse (3144021), we get a palindrome (4348434).

The spelling of 1204413 in words is "one million, two hundred four thousand, four hundred thirteen".

Divisors: 1 3 7 21 83 249 581 691 1743 2073 4837 14511 57353 172059 401471 1204413