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11801412 = 2232746831
BaseRepresentation
bin101101000001…
…001101000100
3211012120111100
4231001031010
511010121122
61100540100
7202211310
oct55011504
924176440
1011801412
116730637
123b51630
1325a27ac
1417d2b40
151081aac
hexb41344

11801412 has 36 divisors (see below), whose sum is σ = 34093696. Its totient is φ = 3371760.

The previous prime is 11801411. The next prime is 11801423. The reversal of 11801412 is 21410811.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (11801411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23164 + ... + 23667.

Almost surely, 211801412 is an apocalyptic number.

11801412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11801412 is an abundant number, since it is smaller than the sum of its proper divisors (22292284).

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

11801412 is a wasteful number, since it uses less digits than its factorization.

11801412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46848 (or 46843 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11801412 is about 3435.3183258615. The cubic root of 11801412 is about 227.6728919618.

The spelling of 11801412 in words is "eleven million, eight hundred one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 46831 93662 140493 187324 280986 327817 421479 561972 655634 842958 983451 1311268 1685916 1966902 2950353 3933804 5900706 11801412