Search a number
-
+
11434880 = 275171051
BaseRepresentation
bin101011100111…
…101110000000
3210111221201002
4223213232000
510411404010
61045031132
7166123562
oct53475600
923457632
1011434880
116500216
1239b54a8
1324a4a02
141739332
15100d1a5
hexae7b80

11434880 has 64 divisors (see below), whose sum is σ = 28972080. Its totient is φ = 4300800.

The previous prime is 11434879. The next prime is 11434883. The reversal of 11434880 is 8843411.

11434880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×114348802 = 261512961228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434883) 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, 10355 + ... + 11405.

Almost surely, 211434880 is an apocalyptic number.

11434880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11434880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14486040).

11434880 is an abundant number, since it is smaller than the sum of its proper divisors (17537200).

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

11434880 is a wasteful number, since it uses less digits than its factorization.

11434880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 11434880 is about 3381.5499404859. The cubic root of 11434880 is about 225.2910143870.

The spelling of 11434880 in words is "eleven million, four hundred thirty-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 272 320 340 544 640 680 1051 1088 1360 2102 2176 2720 4204 5255 5440 8408 10510 10880 16816 17867 21020 33632 35734 42040 67264 71468 84080 89335 134528 142936 168160 178670 285872 336320 357340 571744 672640 714680 1143488 1429360 2286976 2858720 5717440 11434880