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11438870 = 251143887
BaseRepresentation
bin101011101000…
…101100010110
3210112011011212
4223220230112
510412020440
61045101422
7166141322
oct53505426
923464155
1011438870
116503213
1239b7872
1324a6781
14173a982
15100e465
hexae8b16

11438870 has 8 divisors (see below), whose sum is σ = 20589984. Its totient is φ = 4575544.

The previous prime is 11438857. The next prime is 11438873. The reversal of 11438870 is 7883411.

11438870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11438873) 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, 571934 + ... + 571953.

It is an arithmetic number, because the mean of its divisors is an integer number (2573748).

Almost surely, 211438870 is an apocalyptic number.

11438870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11438870 is a deficient number, since it is larger than the sum of its proper divisors (9151114).

11438870 is a wasteful number, since it uses less digits than its factorization.

11438870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143894.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 11438870 is about 3382.1398551804. The cubic root of 11438870 is about 225.3172151171.

The spelling of 11438870 in words is "eleven million, four hundred thirty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 1143887 2287774 5719435 11438870