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1141215404 = 22740757693
BaseRepresentation
bin100010000000101…
…1001000010101100
32221112101202020012
41010001121002230
54314122343104
6305124112352
740165112420
oct10401310254
92845352205
101141215404
1153620602a
1227a2356b8
131525817b4
14ab7cab80
156a2c7d6e
hex440590ac

1141215404 has 12 divisors (see below), whose sum is σ = 2282430864. Its totient is φ = 489092304.

The previous prime is 1141215359. The next prime is 1141215409. The reversal of 1141215404 is 4045121411.

1141215404 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141215404.

It is not an unprimeable number, because it can be changed into a prime (1141215409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20378819 + ... + 20378874.

It is an arithmetic number, because the mean of its divisors is an integer number (190202572).

Almost surely, 21141215404 is an apocalyptic number.

1141215404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1141215404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1141215404 is a wasteful number, since it uses less digits than its factorization.

1141215404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40757704 (or 40757702 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1141215404 is about 33781.8798174406. The cubic root of 1141215404 is about 1045.0150418689.

Adding to 1141215404 its reverse (4045121411), we get a palindrome (5186336815).

The spelling of 1141215404 in words is "one billion, one hundred forty-one million, two hundred fifteen thousand, four hundred four".

Divisors: 1 2 4 7 14 28 40757693 81515386 163030772 285303851 570607702 1141215404