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10388942 = 28775923
BaseRepresentation
bin100111101000…
…010111001110
3201112210221122
4213220113032
510124421232
61010400542
7154206314
oct47502716
921483848
1010388942
115956403
123590152
1321c9905
1415460b4
15da3312
hex9e85ce

10388942 has 8 divisors (see below), whose sum is σ = 15603816. Its totient is φ = 5187672.

The previous prime is 10388941. The next prime is 10388947. The reversal of 10388942 is 24988301.

It is a happy number.

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 (10388941) 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 3 ways as a sum of consecutive naturals, for example, 1208 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (1950477).

Almost surely, 210388942 is an apocalyptic number.

10388942 is a deficient number, since it is larger than the sum of its proper divisors (5214874).

10388942 is an equidigital number, since it uses as much as digits as its factorization.

10388942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 10388942 is about 3223.1881732223. The cubic root of 10388942 is about 218.2011862120.

The spelling of 10388942 in words is "ten million, three hundred eighty-eight thousand, nine hundred forty-two".

Divisors: 1 2 877 1754 5923 11846 5194471 10388942