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11402387 = 41713917
BaseRepresentation
bin101011011111…
…110010010011
3210110022010122
4223133302103
510404334022
61044220455
7165630053
oct53376223
923408118
1011402387
116488867
12399a72b
132492c99
14172b563
151003742
hexadfc93

11402387 has 8 divisors (see below), whose sum is σ = 11848032. Its totient is φ = 10964800.

The previous prime is 11402357. The next prime is 11402407. The reversal of 11402387 is 78320411.

11402387 is digitally balanced in base 3, 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 cyclic number.

It is not a de Polignac number, because 11402387 - 212 = 11398291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11402317) 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, 953 + ... + 4869.

It is an arithmetic number, because the mean of its divisors is an integer number (1481004).

Almost surely, 211402387 is an apocalyptic number.

11402387 is a deficient number, since it is larger than the sum of its proper divisors (445645).

11402387 is an equidigital number, since it uses as much as digits as its factorization.

11402387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 11402387 is about 3376.7420689179. The cubic root of 11402387 is about 225.0774186260.

Adding to 11402387 its reverse (78320411), we get a palindrome (89722798).

The spelling of 11402387 in words is "eleven million, four hundred two thousand, three hundred eighty-seven".

Divisors: 1 41 71 2911 3917 160597 278107 11402387