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11438900 = 22521110399
BaseRepresentation
bin101011101000…
…101100110100
3210112011012222
4223220230310
510412021100
61045101512
7166141364
oct53505464
923464188
1011438900
116503240
1239b7898
1324a67a5
14173a9a4
15100e485
hexae8b34

11438900 has 36 divisors (see below), whose sum is σ = 27081600. Its totient is φ = 4159200.

The previous prime is 11438899. The next prime is 11438923. The reversal of 11438900 is 983411.

11438900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11438900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4100 + ... + 6299.

Almost surely, 211438900 is an apocalyptic number.

11438900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11438900 is an abundant number, since it is smaller than the sum of its proper divisors (15642700).

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

11438900 is a wasteful number, since it uses less digits than its factorization.

11438900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424 (or 10417 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11438900 is about 3382.1442902396. The cubic root of 11438900 is about 225.3174120920.

The spelling of 11438900 in words is "eleven million, four hundred thirty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 10399 20798 41596 51995 103990 114389 207980 228778 259975 457556 519950 571945 1039900 1143890 2287780 2859725 5719450 11438900