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11487290 = 251148729
BaseRepresentation
bin101011110100…
…100000111010
3210121121121012
4223310200322
510420043130
61050113522
7166432433
oct53644072
923547535
1011487290
116536631
123a1b8a2
1324c2819
14175048a
15101d995
hexaf483a

11487290 has 8 divisors (see below), whose sum is σ = 20677140. Its totient is φ = 4594912.

The previous prime is 11487269. The next prime is 11487293. The reversal of 11487290 is 9278411.

11487290 is nontrivially palindromic in base 3.

11487290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11296321 + 190969 = 3361^2 + 437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11487293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574355 + ... + 574374.

Almost surely, 211487290 is an apocalyptic number.

11487290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11487290 is a deficient number, since it is larger than the sum of its proper divisors (9189850).

11487290 is a wasteful number, since it uses less digits than its factorization.

11487290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148736.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 11487290 is about 3389.2904862227. The cubic root of 11487290 is about 225.6346853473.

The spelling of 11487290 in words is "eleven million, four hundred eighty-seven thousand, two hundred ninety".

Divisors: 1 2 5 10 1148729 2297458 5743645 11487290