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1204111404 = 22326727451
BaseRepresentation
bin100011111000101…
…0100100000101100
310002220202012022200
41013301110200230
54431223031104
6315252141500
741560530606
oct10761244054
93086665280
101204111404
115687647a1
12297307890
13162603972
14b5cc0176
1570a9db39
hex47c5482c

1204111404 has 54 divisors (see below), whose sum is σ = 3090247524. Its totient is φ = 395326800.

The previous prime is 1204111373. The next prime is 1204111417. The reversal of 1204111404 is 4041114021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 157879 + ... + 165329.

It is an arithmetic number, because the mean of its divisors is an integer number (57226806).

Almost surely, 21204111404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204111404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545123762).

1204111404 is an abundant number, since it is smaller than the sum of its proper divisors (1886136120).

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

1204111404 is a wasteful number, since it uses less digits than its factorization.

1204111404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595 (or 7523 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1204111404 is about 34700.3084136150. The cubic root of 1204111404 is about 1063.8708020995.

Adding to 1204111404 its reverse (4041114021), we get a palindrome (5245225425).

The spelling of 1204111404 in words is "one billion, two hundred four million, one hundred eleven thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 67 134 201 268 402 603 804 1206 2412 4489 7451 8978 13467 14902 17956 22353 26934 29804 40401 44706 53868 67059 80802 89412 134118 161604 268236 499217 998434 1497651 1996868 2995302 4492953 5990604 8985906 17971812 33447539 66895078 100342617 133790156 200685234 301027851 401370468 602055702 1204111404