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11910480 = 243549627
BaseRepresentation
bin101101011011…
…110101010000
3211102010002220
4231123311100
511022113410
61103141040
7203144301
oct55336520
924363086
1011910480
1167a557a
123ba4780
13261032a
1418207a8
1510a4070
hexb5bd50

11910480 has 40 divisors (see below), whose sum is σ = 36923232. Its totient is φ = 3176064.

The previous prime is 11910469. The next prime is 11910487. The reversal of 11910480 is 8401911.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11910480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11910487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24574 + ... + 25053.

Almost surely, 211910480 is an apocalyptic number.

11910480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11910480 is an abundant number, since it is smaller than the sum of its proper divisors (25012752).

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

11910480 is a wasteful number, since it uses less digits than its factorization.

11910480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49643 (or 49637 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11910480 is about 3451.1563279573. The cubic root of 11910480 is about 228.3721223935.

The spelling of 11910480 in words is "eleven million, nine hundred ten thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 49627 99254 148881 198508 248135 297762 397016 496270 595524 744405 794032 992540 1191048 1488810 1985080 2382096 2977620 3970160 5955240 11910480