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1201404 = 223531889
BaseRepresentation
bin100100101010011111100
32021001000110
410211103330
5301421104
641430020
713132431
oct4452374
92231013
101201404
117506a6
1249b310
13330ab9
14233b88
1518ae89
hex1254fc

1201404 has 24 divisors (see below), whose sum is σ = 2857680. Its totient is φ = 392704.

The previous prime is 1201381. The next prime is 1201439. The reversal of 1201404 is 4041021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1201404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

21201404 is an apocalyptic number.

It is an amenable number.

1201404 is an abundant number, since it is smaller than the sum of its proper divisors (1656276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201404 is a wasteful number, since it uses less digits than its factorization.

1201404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1201404 is about 1096.0857630678. The cubic root of 1201404 is about 106.3072844499.

Adding to 1201404 its reverse (4041021), we get a palindrome (5242425).

The spelling of 1201404 in words is "one million, two hundred one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 1889 3778 5667 7556 11334 22668 100117 200234 300351 400468 600702 1201404