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11429860 = 2251343961
BaseRepresentation
bin101011100110…
…011111100100
3210111200211011
4223212133210
510411223420
61044552004
7166103131
oct53463744
923450734
1011429860
1164a7472
1239b2604
1324a2640
141737588
15100b95a
hexae67e4

11429860 has 24 divisors (see below), whose sum is σ = 25849656. Its totient is φ = 4220160.

The previous prime is 11429819. The next prime is 11429861. The reversal of 11429860 is 6892411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1048576 + 10381284 = 1024^2 + 3222^2 .

It is not an unprimeable number, because it can be changed into a prime (11429861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21721 + ... + 22240.

It is an arithmetic number, because the mean of its divisors is an integer number (1077069).

Almost surely, 211429860 is an apocalyptic number.

11429860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11429860 is an abundant number, since it is smaller than the sum of its proper divisors (14419796).

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

11429860 is a wasteful number, since it uses less digits than its factorization.

11429860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43983 (or 43981 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 11429860 is about 3380.8075958268. The cubic root of 11429860 is about 225.2580414005.

The spelling of 11429860 in words is "eleven million, four hundred twenty-nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 43961 87922 175844 219805 439610 571493 879220 1142986 2285972 2857465 5714930 11429860